Bond J has a coupon rate of 5.93 percent and 9 year to maturity. It makes semiannual payments, and have a YTM of 8.15 percent. If interest rates suddenly rise by 2 percent, what is the percentage price change of this bond? (If the bond price decreases, remember to include the minus sign in your response! Enter your answer as a percentage, omit the "%" sign in your response, and enter your answer with two decimal places. For example, -1.214% should be entered as -1.21.)