Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $489 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 = (489 x 86) / 100
Amount Saved = 42054 / 100
Amount Saved = $420.54 (answer).
In other words, a 86% discount for a purchase with an original price of $489 equals $420.54 (Amount Saved), so you'll end up paying 68.46.