Suppose the current exchange rate for the Polish zloty is $Z2\mathrm{.}88.$ The expected exchange rate in three years is $Z2\mathrm{.}96.$ What is the difference in the annual inflation rates for the United States and Poland over this period?

Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

Difference in the annual inflation rate