-24.81% is the change from 649 to 488
Calculation steps:
[( 488 - 649 ) ÷ 649] x 100 = -24.81%
Formula
Percentage change = [(488 - 649) / 649] x 100
Subtract the new number by the original number
488 - 649 = -161
-161 ÷ 649 = -0.24807395993836673
-0.24807395993836673 x 100 = -24.81%