Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $530 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 = (530 x 15) / 100
Amount Saved = 7950 / 100
Amount Saved = $79.5 (answer).
In other words, a 15% discount for a purchase with an original price of $530 equals $79.5 (Amount Saved), so you'll end up paying 450.5.