-54.51% is the change from 921 to 419
Calculation steps:
[( 419 - 921 ) ÷ 921] x 100 = -54.51%
Formula
Percentage change = [(419 - 921) / 921] x 100
Subtract the new number by the original number
419 - 921 = -502
-502 ÷ 921 = -0.5450597176981542
-0.5450597176981542 x 100 = -54.51%