Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $306 and you need to know how much will you save on your purchase if the discount is 12 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (306 x 12) / 100
Amount Saved = 3672 / 100
Amount Saved = $36.72 (answer).
In other words, a 12% discount for a purchase with an original price of $306 equals $36.72 (Amount Saved), so you'll end up paying 269.28.