\documentclass{article}\usepackage{xepersian}\setlatinmonofont[ExternalLocation,BoldFont={pcrb8a},ItalicFont={pcri8a},BoldItalicFont={pcrbi8a}]{pcrr8a} \begin{document}\texttt{\%}\[\%\]\begin{tabular}{c}$\%$ \end{tabular} \end{document}