Last year a dollar was equal to $9$ Swedish kronor, and a Polish zloty was equal to $\backslash (\backslash$$ $0\mathrm{.}42\backslash ).$ Today, the dollar is equal to $10$ Swedish kronor, and a Polish zloty is equal to $\backslash (\backslash$$ $0\mathrm{.}46\backslash ).$ By what percentage did the cross exchange rate of the Polish zloty in Swedish kronor $($i$.$e$.,$ the number of kronor that can be purchased with one zloty$)$ change over the last year? Do not round intermediate calculations. Round your answer to two decimal places. Enter your answer as a positive value.

The cross exchange rate of zloty in kronor has by $\backslash (\backslash \%\backslash ).$