-79.68% is the change from 866 to 176
Calculation steps:
[( 176 - 866 ) ÷ 866] x 100 = -79.68%
Formula
Percentage change = [(176 - 866) / 866] x 100
Subtract the new number by the original number
176 - 866 = -690
-690 ÷ 866 = -0.7967667436489607
-0.7967667436489607 x 100 = -79.68%