Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $445 and you need to know how much will you save on your purchase if the discount is 77 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (445 x 77) / 100
Amount Saved = 34265 / 100
Amount Saved = $342.65 (answer).
In other words, a 77% discount for a purchase with an original price of $445 equals $342.65 (Amount Saved), so you'll end up paying 102.35.