For the investment shown in the following table, calculate the total return earned over the unspecified time period.(Click on the icon here

in order to copy the contents of the data table below into a spreadsheet.)

Cash flow during period	Beginning-of- period value	End-of- period value
$800	$1,100	$100

The total return on the investment is

nothing%.

(Round to two decimal places. If there is a loss, enter as a negative percentage.)