-2.59% is the change from 889 to 866
Calculation steps:
[( 866 - 889 ) ÷ 889] x 100 = -2.59%
Formula
Percentage change = [(866 - 889) / 889] x 100
Subtract the new number by the original number
866 - 889 = -23
-23 ÷ 889 = -0.025871766029246346
-0.025871766029246346 x 100 = -2.59%