-34.81% is the change from 968 to 631
Calculation steps:
[( 631 - 968 ) ÷ 968] x 100 = -34.81%
Formula
Percentage change = [(631 - 968) / 968] x 100
Subtract the new number by the original number
631 - 968 = -337
-337 ÷ 968 = -0.3481404958677686
-0.3481404958677686 x 100 = -34.81%