50.39% is the change from 129 to 194
Calculation steps:
[( 194 - 129 ) ÷ 129] x 100 = 50.39%
Formula
Percentage change = [(194 - 129) / 129] x 100
Subtract the new number by the original number
194 - 129 = 65
65 ÷ 129 = 0.5038759689922481
0.5038759689922481 x 100 = 50.39%