Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $990 and you need to know how much will you save on your purchase if the discount is 1 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (990 x 1) / 100
Amount Saved = 990 / 100
Amount Saved = $9.9 (answer).
In other words, a 1% discount for a purchase with an original price of $990 equals $9.9 (Amount Saved), so you'll end up paying 980.1.