-47.56% is the change from 921 to 483
Calculation steps:
[( 483 - 921 ) ÷ 921] x 100 = -47.56%
Formula
Percentage change = [(483 - 921) / 921] x 100
Subtract the new number by the original number
483 - 921 = -438
-438 ÷ 921 = -0.4755700325732899
-0.4755700325732899 x 100 = -47.56%