A bond offers a coupon rate of 8%, paid annually, and has a maturity of 16 years. The current market yield is 9%. Face value is $1,000. If market conditions remain unchanged, what should be the Capital Gains Yield of the bond? Enter your answer as a percentage, rounded to two decimals, and without the percentage sign ('%'). For example, if your answer is 0.123456, then it is equivalent to 12.35%, so you should enter 12.35 as the answer. Use the minus sign ('-') if the yield is negative.