Firstly determine the amount of money invested at the start of the given investment period. You calculate this by subtracting the current or expected value from the original then divide again by the original. Multiply by 100 to convert into percent format or 81667 percent ROI.
If a mutual fund returned 12 one year lost 20 the next year and gained 15 in the third year the three-year average annual return would be.
Annual Return 61. 0288 x 100 288 or 288. Absolute Return on Mr. Annualized Rate of Return.