-96.52% is the change from 890 to 31
Calculation steps:
[( 31 - 890 ) ÷ 890] x 100 = -96.52%
Formula
Percentage change = [(31 - 890) / 890] x 100
Subtract the new number by the original number
31 - 890 = -859
-859 ÷ 890 = -0.9651685393258427
-0.9651685393258427 x 100 = -96.52%