Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4508 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 = (4508 x 40) / 100
Amount Saved = 180320 / 100
Amount Saved = $1803.2 (answer).
In other words, a 40% discount for a purchase with an original price of $4508 equals $1803.2 (Amount Saved), so you'll end up paying 2704.8.