Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $66 and you need to know how much will you save on your purchase if the discount is 72 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (66 x 72) / 100
Amount Saved = 4752 / 100
Amount Saved = $47.52 (answer).
In other words, a 72% discount for a purchase with an original price of $66 equals $47.52 (Amount Saved), so you'll end up paying 18.48.