Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $504 and you need to know how much will you save on your purchase if the discount is 64 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (504 x 64) / 100
Amount Saved = 32256 / 100
Amount Saved = $322.56 (answer).
In other words, a 64% discount for a purchase with an original price of $504 equals $322.56 (Amount Saved), so you'll end up paying 181.44.