-41.54% is the change from 816 to 477
Calculation steps:
[( 477 - 816 ) ÷ 816] x 100 = -41.54%
Formula
Percentage change = [(477 - 816) / 816] x 100
Subtract the new number by the original number
477 - 816 = -339
-339 ÷ 816 = -0.41544117647058826
-0.41544117647058826 x 100 = -41.54%