Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $2142 and you need to know how much will you save on your purchase if the discount is 87 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (2142 x 87) / 100
Amount Saved = 186354 / 100
Amount Saved = $1863.54 (answer).
In other words, a 87% discount for a purchase with an original price of $2142 equals $1863.54 (Amount Saved), so you'll end up paying 278.46.