-41.76% is the change from 819 to 477
Calculation steps:
[( 477 - 819 ) ÷ 819] x 100 = -41.76%
Formula
Percentage change = [(477 - 819) / 819] x 100
Subtract the new number by the original number
477 - 819 = -342
-342 ÷ 819 = -0.4175824175824176
-0.4175824175824176 x 100 = -41.76%