A forecast and the true sales value is given for $6$ time periods.

Compute the MAPE for this forecast over all $6$ time periods. Enter your answer on the $0$ to $100$ scale, rounded to $2$ decimal places and without the $\%$ sign. E$.$g$.$ if you get MAPE of $23\mathrm{.}54\%$ you will enter $23\mathrm{.}54.$

Time period Sales Forecast

$1432450$

$2490530$

$3512601$

$4548393$

$5584639$

$6615789$