A corporate bond with a coupon rate of $6\mathrm{.}8$ percent has $14$ years left to maturity. It has had a credit rating of BBB and a yield to maturity of $7\mathrm{.}5$ percent. The firm has recently gotten into some trouble and the rating agency is downgrading the bonds to BB$.$ The new appropriate discount rate will be $8\mathrm{.}8$ percent. $($Assume interest payments are semiannual.$)$

What will be the change in the bond$$s price in dollars?

What will be the change in the percentage?