-86.44% is the change from 649 to 88
Calculation steps:
[( 88 - 649 ) ÷ 649] x 100 = -86.44%
Formula
Percentage change = [(88 - 649) / 649] x 100
Subtract the new number by the original number
88 - 649 = -561
-561 ÷ 649 = -0.864406779661017
-0.864406779661017 x 100 = -86.44%