-39.94% is the change from 656 to 394
Calculation steps:
[( 394 - 656 ) ÷ 656] x 100 = -39.94%
Formula
Percentage change = [(394 - 656) / 656] x 100
Subtract the new number by the original number
394 - 656 = -262
-262 ÷ 656 = -0.39939024390243905
-0.39939024390243905 x 100 = -39.94%