-96.78% is the change from 963 to 31
Calculation steps:
[( 31 - 963 ) ÷ 963] x 100 = -96.78%
Formula
Percentage change = [(31 - 963) / 963] x 100
Subtract the new number by the original number
31 - 963 = -932
-932 ÷ 963 = -0.9678089304257529
-0.9678089304257529 x 100 = -96.78%