-26.4% is the change from 663 to 488
Calculation steps:
[( 488 - 663 ) ÷ 663] x 100 = -26.4%
Formula
Percentage change = [(488 - 663) / 663] x 100
Subtract the new number by the original number
488 - 663 = -175
-175 ÷ 663 = -0.26395173453996984
-0.26395173453996984 x 100 = -26.4%