-96.77% is the change from 961 to 31
Calculation steps:
[( 31 - 961 ) ÷ 961] x 100 = -96.77%
Formula
Percentage change = [(31 - 961) / 961] x 100
Subtract the new number by the original number
31 - 961 = -930
-930 ÷ 961 = -0.967741935483871
-0.967741935483871 x 100 = -96.77%