In Carius method for estimation of halogens, $\mathbf { 1 8 0 ~ m g }$ of an organic compound produced $\mathbf { 1 4 3 . 5 } \mathbf { ~ m g }$ of $\mathbf { A g C l }$. The percentage composition of chlorine in the compound is $\_\_\_\_$ \%.
[Given : molar mass in $\mathbf { g ~ m o l } ^ { - \mathbf { 1 } }$ of Ag: 108, $\mathbf { C l } = \mathbf { 3 5 . 5 }$ ]