-2.21% is the change from 905 to 885
Calculation steps:
[( 885 - 905 ) ÷ 905] x 100 = -2.21%
Formula
Percentage change = [(885 - 905) / 905] x 100
Subtract the new number by the original number
885 - 905 = -20
-20 ÷ 905 = -0.022099447513812154
-0.022099447513812154 x 100 = -2.21%