-3.81% is the change from 656 to 631
Calculation steps:
[( 631 - 656 ) ÷ 656] x 100 = -3.81%
Formula
Percentage change = [(631 - 656) / 656] x 100
Subtract the new number by the original number
631 - 656 = -25
-25 ÷ 656 = -0.038109756097560975
-0.038109756097560975 x 100 = -3.81%