Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $199 and you need to know how much will you save on your purchase if the discount is 55 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (199 x 55) / 100
Amount Saved = 10945 / 100
Amount Saved = $109.45 (answer).
In other words, a 55% discount for a purchase with an original price of $199 equals $109.45 (Amount Saved), so you'll end up paying 89.55.