-85.52% is the change from 649 to 94
Calculation steps:
[( 94 - 649 ) ÷ 649] x 100 = -85.52%
Formula
Percentage change = [(94 - 649) / 649] x 100
Subtract the new number by the original number
94 - 649 = -555
-555 ÷ 649 = -0.8551617873651772
-0.8551617873651772 x 100 = -85.52%