-67.6% is the change from 429 to 139
Calculation steps:
[( 139 - 429 ) ÷ 429] x 100 = -67.6%
Formula
Percentage change = [(139 - 429) / 429] x 100
Subtract the new number by the original number
139 - 429 = -290
-290 ÷ 429 = -0.675990675990676
-0.675990675990676 x 100 = -67.6%