-2.04% is the change from 884 to 866
Calculation steps:
[( 866 - 884 ) ÷ 884] x 100 = -2.04%
Formula
Percentage change = [(866 - 884) / 884] x 100
Subtract the new number by the original number
866 - 884 = -18
-18 ÷ 884 = -0.020361990950226245
-0.020361990950226245 x 100 = -2.04%