-2.1% is the change from 904 to 885
Calculation steps:
[( 885 - 904 ) ÷ 904] x 100 = -2.1%
Formula
Percentage change = [(885 - 904) / 904] x 100
Subtract the new number by the original number
885 - 904 = -19
-19 ÷ 904 = -0.02101769911504425
-0.02101769911504425 x 100 = -2.1%