Last year, Joan purchased a $$1,000$ face value corporate bond with an $7\%$ annual coupon rate and a $15-$year maturity. At the time of the purchase, it had an expected yield to maturity of $10\mathrm{.}43\%.$ If Joan sold the bond today for $$950\mathrm{.}03,$ what rate of return would she have earned for the past year? Round your answer to two decimal places.