-18.94% is the change from 866 to 702
Calculation steps:
[( 702 - 866 ) ÷ 866] x 100 = -18.94%
Formula
Percentage change = [(702 - 866) / 866] x 100
Subtract the new number by the original number
702 - 866 = -164
-164 ÷ 866 = -0.18937644341801385
-0.18937644341801385 x 100 = -18.94%