Suppose the current exchange rate for the Polish zloty is $Z2\mathrm{.}86.$ The expected exchange rate in three years is $Z2\mathrm{.}93.$ What is the difference in the annual inflation rates for the United States and Poland over this period? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

Answer is complete but not entirely correct.

Difference in annual inflation rates

$2\mathrm{.}47\%$