Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $840 and you need to know how much will you save on your purchase if the discount is 36 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (840 x 36) / 100
Amount Saved = 30240 / 100
Amount Saved = $302.4 (answer).
In other words, a 36% discount for a purchase with an original price of $840 equals $302.4 (Amount Saved), so you'll end up paying 537.6.