# 51 is what percent of 850?

6%
If $51$ is x% of $850$
$\textcolor{w h i t e}{\text{XXX}} \frac{x}{100} \times 850 = 51$
$\textcolor{w h i t e}{\text{XXX}} \rightarrow x = \frac{51 \times 100}{850} = 6$