Shady Rack Inc. has a bond outstanding with 10 percent coupon, paid semiannually, and 15 years to maturity. The market price of the bond is $1,039.55. Calculate the bond's yield to maturity (YTM). Now, if due to changes in market conditions, the market required YTM suddenly increases by 2% from your calculated YTM, what will be the percent change in the market price of the bond?