-96.85% is the change from 983 to 31
Calculation steps:
[( 31 - 983 ) ÷ 983] x 100 = -96.85%
Formula
Percentage change = [(31 - 983) / 983] x 100
Subtract the new number by the original number
31 - 983 = -952
-952 ÷ 983 = -0.9684638860630722
-0.9684638860630722 x 100 = -96.85%