-24.54% is the change from 648 to 489
Calculation steps:
[( 489 - 648 ) ÷ 648] x 100 = -24.54%
Formula
Percentage change = [(489 - 648) / 648] x 100
Subtract the new number by the original number
489 - 648 = -159
-159 ÷ 648 = -0.24537037037037038
-0.24537037037037038 x 100 = -24.54%