-99.78% is the change from 905 to 2
Calculation steps:
[( 2 - 905 ) ÷ 905] x 100 = -99.78%
Formula
Percentage change = [(2 - 905) / 905] x 100
Subtract the new number by the original number
2 - 905 = -903
-903 ÷ 905 = -0.9977900552486187
-0.9977900552486187 x 100 = -99.78%