-6.97% is the change from 631 to 587
Calculation steps:
[( 587 - 631 ) ÷ 631] x 100 = -6.97%
Formula
Percentage change = [(587 - 631) / 631] x 100
Subtract the new number by the original number
587 - 631 = -44
-44 ÷ 631 = -0.06973058637083994
-0.06973058637083994 x 100 = -6.97%