Chemistry Question from JEE Main 2023 · 31 January, Shift 2

A sample of a metal oxide has formula $M_{0.83}O_{1.00}$.

The metal $M$ can exist in two oxidation states $+2$ and $+3$. In the sample of $M_{0.83}O_{1.00}$, the percentage of metal ions existing in the $+2$ oxidation state is _____ % (nearest integer).