Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $509 and you need to know how much will you save on your purchase if the discount is 3 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (509 x 3) / 100
Amount Saved = 1527 / 100
Amount Saved = $15.27 (answer).
In other words, a 3% discount for a purchase with an original price of $509 equals $15.27 (Amount Saved), so you'll end up paying 493.73.