-78.75% is the change from 866 to 184
Calculation steps:
[( 184 - 866 ) ÷ 866] x 100 = -78.75%
Formula
Percentage change = [(184 - 866) / 866] x 100
Subtract the new number by the original number
184 - 866 = -682
-682 ÷ 866 = -0.7875288683602771
-0.7875288683602771 x 100 = -78.75%