-44.92% is the change from 866 to 477
Calculation steps:
[( 477 - 866 ) ÷ 866] x 100 = -44.92%
Formula
Percentage change = [(477 - 866) / 866] x 100
Subtract the new number by the original number
477 - 866 = -389
-389 ÷ 866 = -0.4491916859122402
-0.4491916859122402 x 100 = -44.92%