-65.76% is the change from 406 to 139
Calculation steps:
[( 139 - 406 ) ÷ 406] x 100 = -65.76%
Formula
Percentage change = [(139 - 406) / 406] x 100
Subtract the new number by the original number
139 - 406 = -267
-267 ÷ 406 = -0.6576354679802956
-0.6576354679802956 x 100 = -65.76%