Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $455 and you need to know how much will you save on your purchase if the discount is 39 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (455 x 39) / 100
Amount Saved = 17745 / 100
Amount Saved = $177.45 (answer).
In other words, a 39% discount for a purchase with an original price of $455 equals $177.45 (Amount Saved), so you'll end up paying 277.55.