Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $415 and you need to know how much will you save on your purchase if the discount is 83 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (415 x 83) / 100
Amount Saved = 34445 / 100
Amount Saved = $344.45 (answer).
In other words, a 83% discount for a purchase with an original price of $415 equals $344.45 (Amount Saved), so you'll end up paying 70.55.