57.32% is the change from 82 to 129
Calculation steps:
[( 129 - 82 ) ÷ 82] x 100 = 57.32%
Formula
Percentage change = [(129 - 82) / 82] x 100
Subtract the new number by the original number
129 - 82 = 47
47 ÷ 82 = 0.573170731707317
0.573170731707317 x 100 = 57.32%