-96.78% is the change from 933 to 30
Calculation steps:
[( 30 - 933 ) ÷ 933] x 100 = -96.78%
Formula
Percentage change = [(30 - 933) / 933] x 100
Subtract the new number by the original number
30 - 933 = -903
-903 ÷ 933 = -0.9678456591639871
-0.9678456591639871 x 100 = -96.78%