Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $3578 and you need to know how much will you save on your purchase if the discount is 4 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (3578 x 4) / 100
Amount Saved = 14312 / 100
Amount Saved = $143.12 (answer).
In other words, a 4% discount for a purchase with an original price of $3578 equals $143.12 (Amount Saved), so you'll end up paying 3434.88.