Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $158 and you need to know how much will you save on your purchase if the discount is 33 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (158 x 33) / 100
Amount Saved = 5214 / 100
Amount Saved = $52.14 (answer).
In other words, a 33% discount for a purchase with an original price of $158 equals $52.14 (Amount Saved), so you'll end up paying 105.86.