258/300 as a percent
\(p\% \ of \ \frac{258}{300}= \frac{p}{100}*\frac{258}{300} \\\\ p=\frac{100*258}{300} \\\\ p=\frac{258}{3} \\\\ \boxed{p=86\%}\)
Answer = 86%Percentages are out of 100...So to get 300 to 100 you divide by 3...So divide the 258 by three = 86Hope this helps! :)