$($Related to Checkpoint $5\mathrm{.}6)($Solving for $i)$ Lance Murdock purchased a wooden statue of a Conquistador for $$7,300$ to put in his home office $6$ years ago. Lance has recently married, and his home office is being converted into a sewing room. His new wife, who has far better taste than Lance, thinks the Conquistador is hideous and must go immediately. Lance decided to sell it on e$-$Bay and only received $$5,200$ for it$,$ and so he took a loss on the investment. What was his rate of return, that is$,$ the value of $i?$

What was Lance Murdock's rate of return, that is$,$ the value of $i?$ Enter a negative percentage for a loss.

$\%($Round to two decimal places.$)$