-24.69% is the change from 648 to 488
Calculation steps:
[( 488 - 648 ) ÷ 648] x 100 = -24.69%
Formula
Percentage change = [(488 - 648) / 648] x 100
Subtract the new number by the original number
488 - 648 = -160
-160 ÷ 648 = -0.24691358024691357
-0.24691358024691357 x 100 = -24.69%