Profit percent and lose percent is always calculated in the___

Profit percentage formula: The profit percent can be calculated as: Profit % = 100 × Profit/Cost Price. Percentage Loss: The loss percent can be calculated as; Loss % = 100 × Loss/Cost Price.

Take the selling price and subtract it from the initial purchase price. The result is the gain or loss. Take the gain or loss from the investment and divide it by the original amount or purchase price of the investment. Finally, multiply the result by 100 to arrive at the percentage change in the investment.