112.5% is the change from 24 to 51
Calculation steps:
[( 51 - 24 ) ÷ 24] x 100 = 112.5%
Formula
Percentage change = [(51 - 24) / 24] x 100
Subtract the new number by the original number
51 - 24 = 27
27 ÷ 24 = 1.125
1.125 x 100 = 112.5%
Example