200 is 250% of 80.
Step 1: Translate the words into an equation.
200 | is | what percent | of | 80 |
200 | = | x | $ \cdot $ | 80 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 200 &= x \cdot 80 \\[1.2 em] 80 \cdot x &= 200 \\[1.2 em] x &= \dfrac{ 200 }{ 80 } \\[1.2 em] x &= 2.5 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 2.5 = 2.5 ~~\cdot~~ 100 \% = 250 \% $$