Calculate percentage of X, quick & simple.
Let's take a quick example here:
You have a Target coupon of $1850 and you need to know how much will you save on your purchase if the discount is 10 percent.
Solution:
Amount Saved = Original Price x Discount in Percent / 100
Amount Saved = (1850 x 10) / 100
Amount Saved = 18500 / 100
Amount Saved = $185 (answer).
In other words, a 10% discount for a purchase with an original price of $1850 equals $185 (Amount Saved), so you'll end up paying 1665.