Kenneth invested $$2,270$ for $222$ days at a simple interest rate of $2\mathrm{.}50\%$ p$.$a$.$ How much more or less interest would he have earned on the investment if his money was growing at a simple interest rate of $3\mathrm{.}25\%$ p$.$a$.$ instead of $2\mathrm{.}50\%$ p$.$a$.?$