Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $68 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 = (68 x 15) / 100
Amount Saved = 1020 / 100
Amount Saved = $10.2 (answer).
In other words, a 15% discount for a purchase with an original price of $68 equals $10.2 (Amount Saved), so you'll end up paying 57.8.