Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4531 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 = (4531 x 80) / 100
Amount Saved = 362480 / 100
Amount Saved = $3624.8 (answer).
In other words, a 80% discount for a purchase with an original price of $4531 equals $3624.8 (Amount Saved), so you'll end up paying 906.2.