Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $637 and you need to know how much will you save on your purchase if the discount is 86 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (637 x 86) / 100
Amount Saved = 54782 / 100
Amount Saved = $547.82 (answer).
In other words, a 86% discount for a purchase with an original price of $637 equals $547.82 (Amount Saved), so you'll end up paying 89.18.