Rudy purchased a 7?% coupon rate bond one year ago for its face value of $1,000. He bought the bond just after the coupon date. Yesterday the bond paid its annual coupon. The bond currently has 15 years until maturity and has a yield to maturity of 9.23?%. If Rudy sells the bond? today, then what is his percentage return for the last? year? ?Rudy's percentage return for the last year is __?%. (Round to two decimal? places.)