Calculating percentage

Hi experts, what is the best solution to get percentage profit between the capital cost and selling price? My code below is not consistent where if the amount will have a comma or like 1,000.00 it will no longer work.  

function CalculateProfit()
{
	var sp = document.getElementById("A5").value;
	var uc = document.getElementById("A3").value;
	var prt = (sp /(.01 * uc) - 100);
	//var n = prt.toFixed(2);
	var n = prt.toFixed(0);
	document.getElementById("A4").value = n + "%"; 

}

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Whing Dela CruzAsked:
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Banshi lal dangiFull Stack DeveloperCommented:
To remove the comma from the entered amount, you can try the following regex:
sp =sp .replace(/\,/g,'');

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So update your code as follows:

function CalculateProfit()
{
	var sp = document.getElementById("A5").value;
        sp=sp.replace(/\,/g,'');
	var uc = document.getElementById("A3").value;
        uc =uc.replace(/\,/g,'');
	var prt = (sp /(.01 * uc) - 100);
	//var n = prt.toFixed(2);
	var n = prt.toFixed(0);
	document.getElementById("A4").value = n + "%"; 

}

Open in new window

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Whing Dela CruzAuthor Commented:
Thank you Banshi, Its working!
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