-22.35% is the change from 631 to 490
Calculation steps:
[( 490 - 631 ) ÷ 631] x 100 = -22.35%
Formula
Percentage change = [(490 - 631) / 631] x 100
Subtract the new number by the original number
490 - 631 = -141
-141 ÷ 631 = -0.22345483359746435
-0.22345483359746435 x 100 = -22.35%