Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $685 and you need to know how much will you save on your purchase if the discount is 85 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (685 x 85) / 100
Amount Saved = 58225 / 100
Amount Saved = $582.25 (answer).
In other words, a 85% discount for a purchase with an original price of $685 equals $582.25 (Amount Saved), so you'll end up paying 102.75.