Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $438 and you need to know how much will you save on your purchase if the discount is 22 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (438 x 22) / 100
Amount Saved = 9636 / 100
Amount Saved = $96.36 (answer).
In other words, a 22% discount for a purchase with an original price of $438 equals $96.36 (Amount Saved), so you'll end up paying 341.64.