Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $2155 and you need to know how much will you save on your purchase if the discount is 79 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (2155 x 79) / 100
Amount Saved = 170245 / 100
Amount Saved = $1702.45 (answer).
In other words, a 79% discount for a purchase with an original price of $2155 equals $1702.45 (Amount Saved), so you'll end up paying 452.55.