-86.29% is the change from 649 to 89
Calculation steps:
[( 89 - 649 ) ÷ 649] x 100 = -86.29%
Formula
Percentage change = [(89 - 649) / 649] x 100
Subtract the new number by the original number
89 - 649 = -560
-560 ÷ 649 = -0.8628659476117103
-0.8628659476117103 x 100 = -86.29%