Bond J has a coupon of $5\mathrm{.}8$ percent. Bond K has a coupon of $9\mathrm{.}8$ percent. Both bonds have $15$ years to maturity and have a YTM of $7\mathrm{.}6$ percent.

If interest rates suddenly rise by $2\mathrm{.}2$ percent, what is the percentage price change of these bonds?

Note: A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to $2$ decimal places.

If interest rates suddenly fall by $2\mathrm{.}2$ percent, what is the percentage price change of these bonds?

Note: Do not round intermediate calculations. Enter your answers as a percent rounded to $2$ decimal places.