Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1071 and you need to know how much will you save on your purchase if the discount is 40 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1071 x 40) / 100
Amount Saved = 42840 / 100
Amount Saved = $428.4 (answer).
In other words, a 40% discount for a purchase with an original price of $1071 equals $428.4 (Amount Saved), so you'll end up paying 642.6.