-34.88% is the change from 969 to 631
Calculation steps:
[( 631 - 969 ) ÷ 969] x 100 = -34.88%
Formula
Percentage change = [(631 - 969) / 969] x 100
Subtract the new number by the original number
631 - 969 = -338
-338 ÷ 969 = -0.34881320949432404
-0.34881320949432404 x 100 = -34.88%