After a $1$ year investment you receive $8\mathrm{.}5\%$ interest $($nominal$)$ from your bank. However, looking at how prices have changed, you soon realize that the real rate of interest was actually $3\mathrm{.}5\%.$ How much was inflation during that year?

Enter your answer as a percentage, rounded to $2$ decimals, and without the percentage sign $(\text{'}\%\text{'}).$ For example, if your answer is $0\mathrm{.}02345,$ then enter $2\mathrm{.}35$