A bond with a $1,000 par, 6 years to maturity, a coupon rate of 4%, and annual payments has a yield to maturity of 3.6%. What will be the actual percentage change in the bond price if the yield changes instantaneously to 4.3%? Round to the nearest 0.001%, drop the % symbol (e.g., if your answer is, e.g., 1.1234%, enter it as 1.123.)