-96.69% is the change from 905 to 30
Calculation steps:
[( 30 - 905 ) ÷ 905] x 100 = -96.69%
Formula
Percentage change = [(30 - 905) / 905] x 100
Subtract the new number by the original number
30 - 905 = -875
-875 ÷ 905 = -0.9668508287292817
-0.9668508287292817 x 100 = -96.69%