Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $649 and you need to know how much will you save on your purchase if the discount is 87 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (649 x 87) / 100
Amount Saved = 56463 / 100
Amount Saved = $564.63 (answer).
In other words, a 87% discount for a purchase with an original price of $649 equals $564.63 (Amount Saved), so you'll end up paying 84.37.