-96.58% is the change from 906 to 31
Calculation steps:
[( 31 - 906 ) ÷ 906] x 100 = -96.58%
Formula
Percentage change = [(31 - 906) / 906] x 100
Subtract the new number by the original number
31 - 906 = -875
-875 ÷ 906 = -0.9657836644591612
-0.9657836644591612 x 100 = -96.58%