Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $658 and you need to know how much will you save on your purchase if the discount is 13 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (658 x 13) / 100
Amount Saved = 8554 / 100
Amount Saved = $85.54 (answer).
In other words, a 13% discount for a purchase with an original price of $658 equals $85.54 (Amount Saved), so you'll end up paying 572.46.