-80.03% is the change from 656 to 131
Calculation steps:
[( 131 - 656 ) ÷ 656] x 100 = -80.03%
Formula
Percentage change = [(131 - 656) / 656] x 100
Subtract the new number by the original number
131 - 656 = -525
-525 ÷ 656 = -0.8003048780487805
-0.8003048780487805 x 100 = -80.03%