Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $518 and you need to know how much will you save on your purchase if the discount is 28 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (518 x 28) / 100
Amount Saved = 14504 / 100
Amount Saved = $145.04 (answer).
In other words, a 28% discount for a purchase with an original price of $518 equals $145.04 (Amount Saved), so you'll end up paying 372.96.