38.76% is the change from 129 to 179
Calculation steps:
[( 179 - 129 ) ÷ 129] x 100 = 38.76%
Formula
Percentage change = [(179 - 129) / 129] x 100
Subtract the new number by the original number
179 - 129 = 50
50 ÷ 129 = 0.3875968992248062
0.3875968992248062 x 100 = 38.76%