-18.48% is the change from 866 to 706
Calculation steps:
[( 706 - 866 ) ÷ 866] x 100 = -18.48%
Formula
Percentage change = [(706 - 866) / 866] x 100
Subtract the new number by the original number
706 - 866 = -160
-160 ÷ 866 = -0.18475750577367206
-0.18475750577367206 x 100 = -18.48%