Percentage calculator

Profit Percentage Calculator

Profit percentage measures profit relative to the cost price. It is different from profit margin, which compares profit with selling price.

Profit / loss percentage

25%

Profit

Formula

((Selling Price − Cost Price) / Cost Price) × 100

Step-by-step calculation

  1. 1

    Subtract cost price from selling price.

  2. 2

    Divide the difference by cost price.

  3. 3

    Multiply by 100. A positive result indicates profit; a negative result indicates loss.

Formula

Profit Percentage = ((Selling Price − Cost Price) ÷ Cost Price) × 100

How to calculate it

  1. Subtract cost price from selling price to calculate profit.
  2. Divide the profit by the cost price.
  3. Multiply by 100 to express profit as a percentage of cost.

An item costs 80 and sells for 100

Values: Profit = 100 − 80 = 20.

Result: 20 ÷ 80 × 100 = 25% profit.

Frequently asked questions

Is profit percentage the same as profit margin?

No. Profit percentage in this calculation uses cost price as the denominator. Profit margin uses selling price.

Can profit percentage be negative?

Yes. If selling price is lower than cost price, the result is negative and represents a loss relative to cost.

What happens when cost price is zero?

Profit percentage cannot be calculated using this formula because cost price is the denominator.