Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $665 and you need to know how much will you save on your purchase if the discount is 57 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (665 x 57) / 100
Amount Saved = 37905 / 100
Amount Saved = $379.05 (answer).
In other words, a 57% discount for a purchase with an original price of $665 equals $379.05 (Amount Saved), so you'll end up paying 285.95.