If the market index increased by $17\mathrm{.}0\%$ during a period, a stock with a beta of $1\mathrm{.}7$ would be expected to $($increase or decrease$)\%$ during this same period? Ignore the risk free rate in calculating your answer $($i$.$e$.$ assume $rf=0)$ Calculate the expected change in return to the nearest. $1\%.$ If the change is a decrease be sure to use a $-$ sign. If the change is an increase, enter the number without a $+$ sign.