-2.48% is the change from 888 to 866
Calculation steps:
[( 866 - 888 ) ÷ 888] x 100 = -2.48%
Formula
Percentage change = [(866 - 888) / 888] x 100
Subtract the new number by the original number
866 - 888 = -22
-22 ÷ 888 = -0.024774774774774775
-0.024774774774774775 x 100 = -2.48%