Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $81 and you need to know how much will you save on your purchase if the discount is 52 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (81 x 52) / 100
Amount Saved = 4212 / 100
Amount Saved = $42.12 (answer).
In other words, a 52% discount for a purchase with an original price of $81 equals $42.12 (Amount Saved), so you'll end up paying 38.88.