-96.68% is the change from 904 to 30
Calculation steps:
[( 30 - 904 ) ÷ 904] x 100 = -96.68%
Formula
Percentage change = [(30 - 904) / 904] x 100
Subtract the new number by the original number
30 - 904 = -874
-874 ÷ 904 = -0.9668141592920354
-0.9668141592920354 x 100 = -96.68%