-96.68% is the change from 934 to 31
Calculation steps:
[( 31 - 934 ) ÷ 934] x 100 = -96.68%
Formula
Percentage change = [(31 - 934) / 934] x 100
Subtract the new number by the original number
31 - 934 = -903
-903 ÷ 934 = -0.9668094218415417
-0.9668094218415417 x 100 = -96.68%