A bond has a Macaulay duration of 11.00 and is priced to yield 9.0%. If interest rates go up so that the yield goes to 9.5%, what will be the percentage change in the price of the bond? Now, if the yield on this bond goes down to 8.5%, what will be the bond's percentage change in price? Comment on your findings. If interest rates go up to 9.5%, the percentage change in the price of the bond is %. (Round to two decimal places.)