Calculate return on investment (ROI) from initial investment and final value.
Profit / Loss = Return − Investment Cost
ROI % = ((Return − Investment Cost) ÷ Investment Cost) × 100
Return on investment (ROI) is the percentage gain or loss on an investment relative to the amount invested.
Subtract the investment cost from the return, divide by the investment cost, and multiply by 100 to get the percentage.
It depends on the asset and risk. A positive ROI means a profit; the higher the percentage, the better the return relative to cost.