Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $72 and you need to know how much will you save on your purchase if the discount is 63 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (72 x 63) / 100
Amount Saved = 4536 / 100
Amount Saved = $45.36 (answer).
In other words, a 63% discount for a purchase with an original price of $72 equals $45.36 (Amount Saved), so you'll end up paying 26.64.