The lower and upper specifications for a software upgrade are $78$ minutes and $81$ minutes. Estimate the percentage of process output that can be expected to fall within the specifications. $($Round your answer to $1$ decimal place.$)$

$\backslash$table$[[$SAMPLE$],[1,2,3,4,5,6],[79\mathrm{.}2,78\mathrm{.}4,79\mathrm{.}6,78\mathrm{.}9,80\mathrm{.}5,79\mathrm{.}7],[81\mathrm{.}9,78\mathrm{.}7,79\mathrm{.}6,79\mathrm{.}8,79\mathrm{.}6,80\mathrm{.}6],[80\mathrm{.}0,81\mathrm{.}0,78\mathrm{.}9,79\mathrm{.}7,80\mathrm{.}4,79\mathrm{.}1],[78\mathrm{.}4,80\mathrm{.}4,80\mathrm{.}3,79\mathrm{.}4,78\mathrm{.}5,80\mathrm{.}0],[81\mathrm{.}0,80\mathrm{.}1,80\mathrm{.}8,80\mathrm{.}6,78\mathrm{.}8,81\mathrm{.}1]]$

Expected process output

$\%$