Due to an announcement of rate increase from the Fed, the vield of a 10 ten- year zero-coupon bond went up from 6% to 6.5%. What is the change in the bond price (as a fraction of its prior to the yield change) (return).

Enter your answer in decimals. A error of (-0.1%, +0.1%) is acceptable, this means that if the true answer is 3% anything between 0.029 and 0.031 will be scored correctly.