-96.58% is the change from 907 to 31
Calculation steps:
[( 31 - 907 ) ÷ 907] x 100 = -96.58%
Formula
Percentage change = [(31 - 907) / 907] x 100
Subtract the new number by the original number
31 - 907 = -876
-876 ÷ 907 = -0.9658213891951488
-0.9658213891951488 x 100 = -96.58%