-81.02% is the change from 685 to 130
Calculation steps:
[( 130 - 685 ) ÷ 685] x 100 = -81.02%
Formula
Percentage change = [(130 - 685) / 685] x 100
Subtract the new number by the original number
130 - 685 = -555
-555 ÷ 685 = -0.8102189781021898
-0.8102189781021898 x 100 = -81.02%