Consider a 27-year bond with $1,000 face value that pays a 8.00% coupon on an annual basis and has a yield-to-maturity of 7.00%. What is the approximate percentage change in the price of bond if interest rates in the economy are expected to increase by 2.20% over the next year? Submit your answer as a percentage and round to two decimal places. (Hint: What is the expected price of the bond before and after the change in interest rates?)