Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $479 and you need to know how much will you save on your purchase if the discount is 64 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (479 x 64) / 100
Amount Saved = 30656 / 100
Amount Saved = $306.56 (answer).
In other words, a 64% discount for a purchase with an original price of $479 equals $306.56 (Amount Saved), so you'll end up paying 172.44.