How to take 20% off an amount?
Using a calculator. For example to work out 20% divide 20 by 100 and multiply by the amount. Subtract from the original amount. A percent off of a product means that the price of the product is reduced by that percent. For example, given a product that costs $279, 20% off of that product would mean subtracting 20% of the original price from the original price. For example: 20% of $279 = 0.In case of a 20% off, the formula will be written as: 20/100= 0. It can also be done by moving the decimal of a given percentage two spaces to the left. After converting, the decimal will be then multiplied by the original price, giving the discount. It can be written as: original product * decimal = discount.
How to take 30% off a price?
Divide the number by 100 (move the decimal place two places to the left). Multiply this new number by the percentage you want to take off. Subtract the number from step 2 from the original number. This is your percent off number. Final price = Original Price x ((100 – %Off) / 100) To calculate what is X% off a given price using our percent off calculator, enter the original price (base price) in the Original price field. Then enter the discount as percentage in the Percent off field, and click Calculate.