-34.75% is the change from 967 to 631
Calculation steps:
[( 631 - 967 ) ÷ 967] x 100 = -34.75%
Formula
Percentage change = [(631 - 967) / 967] x 100
Subtract the new number by the original number
631 - 967 = -336
-336 ÷ 967 = -0.3474663908996898
-0.3474663908996898 x 100 = -34.75%