One month ago, the spot rate for the Canadian dollar $($CAD$)$ was $1$ CAD $=0\mathrm{.}82$ USD. Today, you observe that the spot rate is $1$ CAD $=0\mathrm{.}89$ USD. How much has the value of the Canadian dollar appreciated $(+)$ or depreciated $(-)$ relative to the US dollar? Submit your final answer as a percentage rounded to two decimal places $($Ex$.0\mathrm{.}00\%).($Submit a currency appreciation as a positive and a currency depreciation as a negative.$)$