6.98% is the change from 129 to 138
Calculation steps:
[( 138 - 129 ) ÷ 129] x 100 = 6.98%
Formula
Percentage change = [(138 - 129) / 129] x 100
Subtract the new number by the original number
138 - 129 = 9
9 ÷ 129 = 0.06976744186046512
0.06976744186046512 x 100 = 6.98%