-2.1% is the change from 905 to 886
Calculation steps:
[( 886 - 905 ) ÷ 905] x 100 = -2.1%
Formula
Percentage change = [(886 - 905) / 905] x 100
Subtract the new number by the original number
886 - 905 = -19
-19 ÷ 905 = -0.020994475138121547
-0.020994475138121547 x 100 = -2.1%