Calculating the Discount and Sale Price. For example if you have a sale price of 40 and a discount of 30 percent. To calculate the percentage discount between two prices follow these steps.
Discounted value discount percentage total value 100.
There are several ways of discovering a discount percentage for any value but the most simple is. Calculate Discount from List Price and Sale Price The discount is list price minus the sale price then divided by the list price and multiplied by 100 to get a percentage. Sale price 100 30 of regular price 70 of regular price. Determine the percentage discount - in our example store everything is 75 off.