All you have to do to solve this problem is use this formula:
The percent of increase =[[tex] \frac{amount of change}{original amount} [/tex] × 100] %
1) 150 - 110= 40
2) 110 ÷ 40 = 2.75
3) 2.75 × 100= 275
The answer is, He had a 275% increase in students.
