-47.45% is the change from 921 to 484
Calculation steps:
[( 484 - 921 ) ÷ 921] x 100 = -47.45%
Formula
Percentage change = [(484 - 921) / 921] x 100
Subtract the new number by the original number
484 - 921 = -437
-437 ÷ 921 = -0.4744842562432139
-0.4744842562432139 x 100 = -47.45%