Need some help to C++ if statement to catch the -0.01 to -0.99

void CStatistik_UMA::OnCustomdrawList(NMHDR* pNMHDR, LRESULT* pResult)
 {
	 NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR );

    // Take the default processing unless we set this to something else below.
    *pResult = 0;

    // First thing - check the draw stage. If it's the control's prepaint
    // stage, then tell Windows we want messages for every item.

    if ( CDDS_PREPAINT == pLVCD->nmcd.dwDrawStage )
        {
        *pResult = CDRF_NOTIFYITEMDRAW;
        }
    else if ( CDDS_ITEMPREPAINT == pLVCD->nmcd.dwDrawStage )
        {
        // This is the notification message for an item.  We'll request
        // notifications before each subitem's prepaint stage.

        *pResult = CDRF_NOTIFYSUBITEMDRAW;
        }
    else if ( (CDDS_ITEMPREPAINT | CDDS_SUBITEM) == pLVCD->nmcd.dwDrawStage )
        {
        // This is the prepaint stage for a subitem. Here's where we set the
        // item's text and background colors. Our return value will tell 
        // Windows to draw the subitem itself, but it will use the new colors
        // we set here.
        
    
            COLORREF crText, crBkgnd;

			//------------------verschiedene Reihen in Farbe ----------------------
			//MemberVariable m_bAnzeige_Typen = true ->Typen Auswahl    false->alle anderen
			int iCol = pLVCD->iSubItem;
			int iRow = pLVCD->nmcd.dwItemSpec;

			CString str_help=m_List.GetItemText(iRow,14);//Reihe 14 und 17 grauer Balken
			
			//-------------------------------------------------------------------------------
	   		if(m_bAnzeige_Typen==false && m_bAnzeige_KundenUmsatz==false)//also nicht bei Typen
			{
                if(pLVCD->nmcd.dwItemSpec==14 ||pLVCD->nmcd.dwItemSpec==17)
			    {
				
		          crBkgnd = RGB(192,192,192);     //grau
			    }
			    else
		     	{
				
		          crBkgnd = RGB(255,255,224); //beige
			    }
			}
           //---------------------------------------------------------------------------

			
			 
			//-------------------------------------------------------------------------------
            if(m_bAnzeige_Typen==false && m_bAnzeige_KundenUmsatz==true)//KundenUmsatz
			{
				CString str_help=m_List.GetItemText(iRow,0);
				if(str_help=="Ges.")
				{
					 crText = RGB(0,0,255);   //blau  
   				     crBkgnd = RGB(0,191,255);//hellblau  
				}
				else if(str_help=="Ges.:")//Gesamt Total am Ende
				{
					  crText = RGB(0,0,255);      //blau
					  crBkgnd = RGB(255,255,0);   //gelb
				}
				else  
				{
					  crText = RGB(0,0,255);      //blau
					  crBkgnd = RGB(255,255,224); //beige
				}

			}
           		
			//-------------------------------------------------------------------------------
			if(m_bAnzeige_Typen==true)// Typen
			{
				int fabwechsel = pLVCD->iSubItem;
				if(fabwechsel %2!=0)//alle Columns die durch 2 teilbar sind (module Operator)
				{
					 crBkgnd = RGB(255,255,224);     //beige
			    }
			    else
		     	{
				
		          crBkgnd = RGB(255,255,255); //weiß
				  
				}
				if(pLVCD->iSubItem==0)//erste Spalte auch in beige
				{
					crBkgnd = RGB(255,255,224);     //beige
				}


                if(pLVCD->nmcd.dwItemSpec==m_Anzahl_der_Typen+2||pLVCD->nmcd.dwItemSpec==m_Anzahl_der_Typen)
			    {
				
		          crBkgnd = RGB(192,192,192);     //grau Balken
			    }
			  
			}

         [b]   //--------------------- negative Zahlen in rot -----------------------------
			 str_help=m_List.GetItemText(iRow,iCol);
			 double prozent;
			 prozent=atof(str_help);

			
			 if(prozent<0)
			 {
				  crText = RGB(255,0,0);      //rot
		  	 }
			 else
			 {
				 crText = RGB(0,0,255);      //blau
	      	 }[/b]
		     //--------------------------- High / Low Werte in Farbe ----------------------
			 // MemberVariablen
			 // m_highWert_Zeile   m_highWert_Spalte
		    //  m_lowWert_Zeile    m_lowWert_Spalte
			if(m_highWert_Spalte!=99999999 && 	m_lowWert_Spalte!=99999999)
			{

			    if(m_bAnzeige_KundenUmsatz ==false)
			    {
                     if(pLVCD->nmcd.dwItemSpec==m_highWert_Zeile && pLVCD->iSubItem==m_highWert_Spalte)
			         {
                          crBkgnd = RGB(191,239,255);     // HighWert blau
			         }
			
			         if(pLVCD->nmcd.dwItemSpec==m_lowWert_Zeile && pLVCD->iSubItem==m_lowWert_Spalte)
			         { 
                          crBkgnd =RGB(255,193,193);     // LowWert rot RGB(255,64,64);     // LowWert rot
			        }
			    }
			}
			//-------------------------------------------------------------------------------
			 if(m_bAnzeige_Typen==true)// Typen  Graue Zahlen bei % Anteil
			{
				int fabwechsel = pLVCD->iSubItem;
				if(fabwechsel>0 && fabwechsel %2==0)//alle Columns die durch 2 teilbar sind (module Operator)
				{
					 crText = RGB(105,105,105);     //dunkel grau
			    }
			}
            //-------------------------------------------------------------------------------
			UpdateData(TRUE);
			bool bTypen= m_checkbox_Typen.GetCheck();
			if(m_SteuerungTypen==1)
			{
                if(4==pLVCD->iSubItem)//Typenspalte andere Farbe
				{
					crText = RGB(0,205,102);       
					 
				}
			}

                 
	    // Store the colors back in the NMLVCUSTOMDRAW struct.
        pLVCD->clrText = crText;
        pLVCD->clrTextBk = crBkgnd;

        // Tell Windows to paint the control itself.
        *pResult = CDRF_DODEFAULT;
        }
}
 //-------------------------------------------------------------------------------

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