-2.08% is the change from 867 to 849
Calculation steps:
[( 849 - 867 ) ÷ 867] x 100 = -2.08%
Formula
Percentage change = [(849 - 867) / 867] x 100
Subtract the new number by the original number
849 - 867 = -18
-18 ÷ 867 = -0.020761245674740483
-0.020761245674740483 x 100 = -2.08%