-85.82% is the change from 649 to 92
Calculation steps:
[( 92 - 649 ) ÷ 649] x 100 = -85.82%
Formula
Percentage change = [(92 - 649) / 649] x 100
Subtract the new number by the original number
92 - 649 = -557
-557 ÷ 649 = -0.8582434514637904
-0.8582434514637904 x 100 = -85.82%