-2.31% is the change from 866 to 846
Calculation steps:
[( 846 - 866 ) ÷ 866] x 100 = -2.31%
Formula
Percentage change = [(846 - 866) / 866] x 100
Subtract the new number by the original number
846 - 866 = -20
-20 ÷ 866 = -0.023094688221709007
-0.023094688221709007 x 100 = -2.31%