86.96% is the change from 69 to 129
Calculation steps:
[( 129 - 69 ) ÷ 69] x 100 = 86.96%
Formula
Percentage change = [(129 - 69) / 69] x 100
Subtract the new number by the original number
129 - 69 = 60
60 ÷ 69 = 0.8695652173913043
0.8695652173913043 x 100 = 86.96%