I need to be able to compare values from one month to values of another month and get a difference.
where date between 10/1/2014 and 10/31/2014
DEF_P for Oct - DEF_P for Nov (not sure if world subtract - need to show if there was a change and the change could be plus or minus.
DEF_P for Oct DEF_P for Nov Diff
$120.00 $130.oo $10