-86.41% is the change from 905 to 123
Calculation steps:
[( 123 - 905 ) ÷ 905] x 100 = -86.41%
Formula
Percentage change = [(123 - 905) / 905] x 100
Subtract the new number by the original number
123 - 905 = -782
-782 ÷ 905 = -0.8640883977900552
-0.8640883977900552 x 100 = -86.41%