-96.77% is the change from 959 to 31
Calculation steps:
[( 31 - 959 ) ÷ 959] x 100 = -96.77%
Formula
Percentage change = [(31 - 959) / 959] x 100
Subtract the new number by the original number
31 - 959 = -928
-928 ÷ 959 = -0.9676746611053181
-0.9676746611053181 x 100 = -96.77%