-96.76% is the change from 957 to 31
Calculation steps:
[( 31 - 957 ) ÷ 957] x 100 = -96.76%
Formula
Percentage change = [(31 - 957) / 957] x 100
Subtract the new number by the original number
31 - 957 = -926
-926 ÷ 957 = -0.96760710553814
-0.96760710553814 x 100 = -96.76%