Rudy purchased a 6.5% 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 20 years until maturity and has a yield to maturity of 9.23%, lf Rudy sells the bond today then what is his percentage etun for the last year? Rudy's percentage return for the last year is %. (Round to two decimal places.)