Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $8127 and you need to know how much will you save on your purchase if the discount is 100 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (8127 x 100) / 100
Amount Saved = 812700 / 100
Amount Saved = $8127 (answer).
In other words, a 100% discount for a purchase with an original price of $8127 equals $8127 (Amount Saved), so you'll end up paying 0.