-18.71% is the change from 866 to 704
Calculation steps:
[( 704 - 866 ) ÷ 866] x 100 = -18.71%
Formula
Percentage change = [(704 - 866) / 866] x 100
Subtract the new number by the original number
704 - 866 = -162
-162 ÷ 866 = -0.18706697459584296
-0.18706697459584296 x 100 = -18.71%