-94.15% is the change from 479 to 28
Calculation steps:
[( 28 - 479 ) ÷ 479] x 100 = -94.15%
Formula
Percentage change = [(28 - 479) / 479] x 100
Subtract the new number by the original number
28 - 479 = -451
-451 ÷ 479 = -0.941544885177453
-0.941544885177453 x 100 = -94.15%