Question

Our math team had m students last year, but this year it has already n students! By what percent did the number of students grow?

(please just write the formula, it would be greatly appreciated)

Answer 1

you would need the formula: Percent * Whole= Part

You need Percent

Part/Whole = Percent

Hopes this helps,

Xeno

Answer 2

You can figure this out by using this formula which gives you the percent increase of everything:
$\frac{n-m}{n}$