-50.92% is the change from 866 to 425
Calculation steps:
[( 425 - 866 ) ÷ 866] x 100 = -50.92%
Formula
Percentage change = [(425 - 866) / 866] x 100
Subtract the new number by the original number
425 - 866 = -441
-441 ÷ 866 = -0.5092378752886836
-0.5092378752886836 x 100 = -50.92%