-79.33% is the change from 861 to 178
Calculation steps:
[( 178 - 861 ) ÷ 861] x 100 = -79.33%
Formula
Percentage change = [(178 - 861) / 861] x 100
Subtract the new number by the original number
178 - 861 = -683
-683 ÷ 861 = -0.7932636469221835
-0.7932636469221835 x 100 = -79.33%