-51.73% is the change from 866 to 418
Calculation steps:
[( 418 - 866 ) ÷ 866] x 100 = -51.73%
Formula
Percentage change = [(418 - 866) / 866] x 100
Subtract the new number by the original number
418 - 866 = -448
-448 ÷ 866 = -0.5173210161662818
-0.5173210161662818 x 100 = -51.73%