According to the U$.$S$.$ Energy Information Administration, the average retail price for a gallon of gas was $$3\mathrm{.}445$ in January in $2023.$ The average retail price for a gallon of gas was $$3\mathrm{.}197$ in January of $2024.$ What is the percentage change in gas prices over the year? Give you final answer as a percentage and not in decimal form. $($Remember $10\%=\mathrm{.}10,20\%=\mathrm{.}20,$ etc.$)$ Give your final answer as a percentage, and put the $\%$ sign in your answer.