-82.46% is the change from 479 to 84
Calculation steps:
[( 84 - 479 ) ÷ 479] x 100 = -82.46%
Formula
Percentage change = [(84 - 479) / 479] x 100
Subtract the new number by the original number
84 - 479 = -395
-395 ÷ 479 = -0.824634655532359
-0.824634655532359 x 100 = -82.46%