Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $23 and you need to know how much will you save on your purchase if the discount is 54 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (23 x 54) / 100
Amount Saved = 1242 / 100
Amount Saved = $12.42 (answer).
In other words, a 54% discount for a purchase with an original price of $23 equals $12.42 (Amount Saved), so you'll end up paying 10.58.