For example given a product that costs 279 20 off of that product would mean subtracting 20 of the original price from the original price. A percent off of a product or service is a common discount format. Discounted value discount percentage total value 100.
If youre still paying 75 youre not paying 25 the percentage discount.
Multiply the resultant number by 100. Divide the final amount by the decimal to find the original amount before the percentage was added. Calculate Percentage Discount 1. Cross multiply to get y 100 200 25.