Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Cumulative return represents the total gain or loss of an investment over a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

c. Using a calculator. For example to work out 20% divide 20 by 100 and multiply by the amount. Subtract from the original amount.