23.26% is the change from 129 to 159
Calculation steps:
[( 159 - 129 ) ÷ 129] x 100 = 23.26%
Formula
Percentage change = [(159 - 129) / 129] x 100
Subtract the new number by the original number
159 - 129 = 30
30 ÷ 129 = 0.23255813953488372
0.23255813953488372 x 100 = 23.26%