-19.28% is the change from 866 to 699
Calculation steps:
[( 699 - 866 ) ÷ 866] x 100 = -19.28%
Formula
Percentage change = [(699 - 866) / 866] x 100
Subtract the new number by the original number
699 - 866 = -167
-167 ÷ 866 = -0.1928406466512702
-0.1928406466512702 x 100 = -19.28%