-78.98% is the change from 866 to 182
Calculation steps:
[( 182 - 866 ) ÷ 866] x 100 = -78.98%
Formula
Percentage change = [(182 - 866) / 866] x 100
Subtract the new number by the original number
182 - 866 = -684
-684 ÷ 866 = -0.789838337182448
-0.789838337182448 x 100 = -78.98%