-69.93% is the change from 429 to 129
Calculation steps:
[( 129 - 429 ) ÷ 429] x 100 = -69.93%
Formula
Percentage change = [(129 - 429) / 429] x 100
Subtract the new number by the original number
129 - 429 = -300
-300 ÷ 429 = -0.6993006993006993
-0.6993006993006993 x 100 = -69.93%