300% is the change from 24 to 96
Calculation steps:
[( 96 - 24 ) ÷ 24] x 100 = 300%
Formula
Percentage change = [(96 - 24) / 24] x 100
Subtract the new number by the original number
96 - 24 = 72
72 ÷ 24 = 3
3 x 100 = 300%
Example