2400% is the change from 36 to 900
Calculation steps:
[( 900 - 36 ) ÷ 36] x 100 = 2400%
Formula
Percentage change = [(900 - 36) / 36] x 100
Subtract the new number by the original number
900 - 36 = 864
864 ÷ 36 = 24
24 x 100 = 2400%
Example