David Bowie bonds pay their coupons from royalties generated by sales of David Bowie's past recordings. The bonds have 12 years remaining to maturity, pay annual coupons (yesterday) of $85, and have a face value of $1000. The current price of the bonds is $783.20 to yield 12%. What is the capital gain percentage increase for the coming year if the yield to maturity remains constant? Show your work