Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $78 and you need to know how much will you save on your purchase if the discount is 83 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (78 x 83) / 100
Amount Saved = 6474 / 100
Amount Saved = $64.74 (answer).
In other words, a 83% discount for a purchase with an original price of $78 equals $64.74 (Amount Saved), so you'll end up paying 13.26.