Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $545 and you need to know how much will you save on your purchase if the discount is 75 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (545 x 75) / 100
Amount Saved = 40875 / 100
Amount Saved = $408.75 (answer).
In other words, a 75% discount for a purchase with an original price of $545 equals $408.75 (Amount Saved), so you'll end up paying 136.25.