-48.96% is the change from 866 to 442
Calculation steps:
[( 442 - 866 ) ÷ 866] x 100 = -48.96%
Formula
Percentage change = [(442 - 866) / 866] x 100
Subtract the new number by the original number
442 - 866 = -424
-424 ÷ 866 = -0.4896073903002309
-0.4896073903002309 x 100 = -48.96%