Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $3150 and you need to know how much will you save on your purchase if the discount is 31 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (3150 x 31) / 100
Amount Saved = 97650 / 100
Amount Saved = $976.5 (answer).
In other words, a 31% discount for a purchase with an original price of $3150 equals $976.5 (Amount Saved), so you'll end up paying 2173.5.