-48.53% is the change from 921 to 474
Calculation steps:
[( 474 - 921 ) ÷ 921] x 100 = -48.53%
Formula
Percentage change = [(474 - 921) / 921] x 100
Subtract the new number by the original number
474 - 921 = -447
-447 ÷ 921 = -0.48534201954397393
-0.48534201954397393 x 100 = -48.53%