Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $149 and you need to know how much will you save on your purchase if the discount is 3 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (149 x 3) / 100
Amount Saved = 447 / 100
Amount Saved = $4.47 (answer).
In other words, a 3% discount for a purchase with an original price of $149 equals $4.47 (Amount Saved), so you'll end up paying 144.53.