-65.52% is the change from 406 to 140
Calculation steps:
[( 140 - 406 ) ÷ 406] x 100 = -65.52%
Formula
Percentage change = [(140 - 406) / 406] x 100
Subtract the new number by the original number
140 - 406 = -266
-266 ÷ 406 = -0.6551724137931034
-0.6551724137931034 x 100 = -65.52%