If the discount is D percent and the sale price is S, then the original price was S*100/(100-D)
If you are asking about a sale where prices are discounted. Multiply the percentage (X percent as X divide 100) by the original amount to find . To find the new price, subtract the discount amount from the original price.
The discount value is $11.99 and the sale price is $67.99
The sale price is $156.00
Percentage discount = 100*(1 - sale price/original price)
The amount after the discount is $28.00
The amount after the discount is $12.00
The sale price is 109.20
Multiply the price by 0.2 to get the amount of the discount. Multiply the price by 0.8 if you want to know the after sale price.
Sale price is 28.
If it is 28 dollars off the regular price, then the sale price will be 695 - 28 = $667. If it is 28 PERCENT off the regular price, then it will be $500.40.
The sale price is $32.00