Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $311 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 = (311 x 12) / 100
Amount Saved = 3732 / 100
Amount Saved = $37.32 (answer).
In other words, a 12% discount for a purchase with an original price of $311 equals $37.32 (Amount Saved), so you'll end up paying 273.68.