Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $4109 and you need to know how much will you save on your purchase if the discount is 45 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (4109 x 45) / 100
Amount Saved = 184905 / 100
Amount Saved = $1849.05 (answer).
In other words, a 45% discount for a purchase with an original price of $4109 equals $1849.05 (Amount Saved), so you'll end up paying 2259.95.