Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $630 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 = (630 x 22) / 100
Amount Saved = 13860 / 100
Amount Saved = $138.6 (answer).
In other words, a 22% discount for a purchase with an original price of $630 equals $138.6 (Amount Saved), so you'll end up paying 491.4.