Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $188 and you need to know how much will you save on your purchase if the discount is 15 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (188 x 15) / 100
Amount Saved = 2820 / 100
Amount Saved = $28.2 (answer).
In other words, a 15% discount for a purchase with an original price of $188 equals $28.2 (Amount Saved), so you'll end up paying 159.8.