Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1020 and you need to know how much will you save on your purchase if the discount is 10 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1020 x 10) / 100
Amount Saved = 10200 / 100
Amount Saved = $102 (answer).
In other words, a 10% discount for a purchase with an original price of $1020 equals $102 (Amount Saved), so you'll end up paying 918.