A stock was purchased at $$210,$ it paid $$2$ in annual dividends, and was sold exactly three years later for a net price of $$248.$ Compute the average annual return of the stock expressed as a percent. Round your answer to two decimals using no symbols or formatting. For example, a value of $12\mathrm{.}78\%$ should be entered as $12\mathrm{.}78.$