Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $644 and you need to know how much will you save on your purchase if the discount is 68 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (644 x 68) / 100
Amount Saved = 43792 / 100
Amount Saved = $437.92 (answer).
In other words, a 68% discount for a purchase with an original price of $644 equals $437.92 (Amount Saved), so you'll end up paying 206.08.