-2.08% is the change from 866 to 848
Calculation steps:
[( 848 - 866 ) ÷ 866] x 100 = -2.08%
Formula
Percentage change = [(848 - 866) / 866] x 100
Subtract the new number by the original number
848 - 866 = -18
-18 ÷ 866 = -0.020785219399538105
-0.020785219399538105 x 100 = -2.08%