If outputs increase by $2525\%,$ and inputs increase by $4040\%,$ what is the percentage change in$$ productivity?

$($a$)$ The productivity has decreased.

True

False

$($b$)$ The productivity has changed by $10\mathrm{.}7110\mathrm{.}71\%($round your response to two$$ decimal$$ places, if you calculate a negative$$ number, please include the negative sign in your $$answer$).$