What to input into actual ROI?

This is the final calculated ROI at exitfrom the time of the issuance on addy to exit

The actual performance of the investment calculated by the ratio of net profit to the initial investment over the entire period. This number can be a negative to indicate a loss from the initial investment. 

Enter a value up to two decimal places without a % sign. (Ex. if this is a 12.34% ROI, enter 12.34)