-52.19% is the change from 866 to 414
Calculation steps:
[( 414 - 866 ) ÷ 866] x 100 = -52.19%
Formula
Percentage change = [(414 - 866) / 866] x 100
Subtract the new number by the original number
414 - 866 = -452
-452 ÷ 866 = -0.5219399538106235
-0.5219399538106235 x 100 = -52.19%