Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1800 and you need to know how much will you save on your purchase if the discount is 37 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1800 x 37) / 100
Amount Saved = 66600 / 100
Amount Saved = $666 (answer).
In other words, a 37% discount for a purchase with an original price of $1800 equals $666 (Amount Saved), so you'll end up paying 1134.