412.5% is the change from 24 to 123
Calculation steps:
[( 123 - 24 ) ÷ 24] x 100 = 412.5%
Formula
Percentage change = [(123 - 24) / 24] x 100
Subtract the new number by the original number
123 - 24 = 99
99 ÷ 24 = 4.125
4.125 x 100 = 412.5%
Example