-54.74% is the change from 928 to 420
Calculation steps:
[( 420 - 928 ) ÷ 928] x 100 = -54.74%
Formula
Percentage change = [(420 - 928) / 928] x 100
Subtract the new number by the original number
420 - 928 = -508
-508 ÷ 928 = -0.5474137931034483
-0.5474137931034483 x 100 = -54.74%