-56.58% is the change from 866 to 376
Calculation steps:
[( 376 - 866 ) ÷ 866] x 100 = -56.58%
Formula
Percentage change = [(376 - 866) / 866] x 100
Subtract the new number by the original number
376 - 866 = -490
-490 ÷ 866 = -0.5658198614318707
-0.5658198614318707 x 100 = -56.58%