-3.67% is the change from 899 to 866
Calculation steps:
[( 866 - 899 ) ÷ 899] x 100 = -3.67%
Formula
Percentage change = [(866 - 899) / 899] x 100
Subtract the new number by the original number
866 - 899 = -33
-33 ÷ 899 = -0.03670745272525028
-0.03670745272525028 x 100 = -3.67%