-22.03% is the change from 631 to 492
Calculation steps:
[( 492 - 631 ) ÷ 631] x 100 = -22.03%
Formula
Percentage change = [(492 - 631) / 631] x 100
Subtract the new number by the original number
492 - 631 = -139
-139 ÷ 631 = -0.2202852614896989
-0.2202852614896989 x 100 = -22.03%