-29.65% is the change from 897 to 631
Calculation steps:
[( 631 - 897 ) ÷ 897] x 100 = -29.65%
Formula
Percentage change = [(631 - 897) / 897] x 100
Subtract the new number by the original number
631 - 897 = -266
-266 ÷ 897 = -0.29654403567447046
-0.29654403567447046 x 100 = -29.65%