-48.6% is the change from 928 to 477
Calculation steps:
[( 477 - 928 ) ÷ 928] x 100 = -48.6%
Formula
Percentage change = [(477 - 928) / 928] x 100
Subtract the new number by the original number
477 - 928 = -451
-451 ÷ 928 = -0.4859913793103448
-0.4859913793103448 x 100 = -48.6%