-0.69% is the change from 866 to 860
Calculation steps:
[( 860 - 866 ) ÷ 866] x 100 = -0.69%
Formula
Percentage change = [(860 - 866) / 866] x 100
Subtract the new number by the original number
860 - 866 = -6
-6 ÷ 866 = -0.006928406466512702
-0.006928406466512702 x 100 = -0.69%