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Calculating percentage

Whing Dela Cruz
Last Modified: 2017-04-18
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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Thank you Banshi, Its working!

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