Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $816 and you need to know how much will you save on your purchase if the discount is 18 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (816 x 18) / 100
Amount Saved = 14688 / 100
Amount Saved = $146.88 (answer).
In other words, a 18% discount for a purchase with an original price of $816 equals $146.88 (Amount Saved), so you'll end up paying 669.12.