83.72% is the change from 129 to 237
Calculation steps:
[( 237 - 129 ) ÷ 129] x 100 = 83.72%
Formula
Percentage change = [(237 - 129) / 129] x 100
Subtract the new number by the original number
237 - 129 = 108
108 ÷ 129 = 0.8372093023255814
0.8372093023255814 x 100 = 83.72%