Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $202 and you need to know how much will you save on your purchase if the discount is 80 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (202 x 80) / 100
Amount Saved = 16160 / 100
Amount Saved = $161.6 (answer).
In other words, a 80% discount for a purchase with an original price of $202 equals $161.6 (Amount Saved), so you'll end up paying 40.4.