222.5% is the change from 40 to 129
Calculation steps:
[( 129 - 40 ) ÷ 40] x 100 = 222.5%
Formula
Percentage change = [(129 - 40) / 40] x 100
Subtract the new number by the original number
129 - 40 = 89
89 ÷ 40 = 2.225
2.225 x 100 = 222.5%
Example