#$14.$

Using the data below, what is the value of the absolute percent error for week $4?$

$\backslash$table$[[$Week$,$Time Series Value,Forecast$],[1,4,],[2,7,6\mathrm{.}06],[3,5,2\mathrm{.}92],[4,4,3\mathrm{.}92],[5,3,4\mathrm{.}56]]$