-53.43% is the change from 904 to 421
Calculation steps:
[( 421 - 904 ) ÷ 904] x 100 = -53.43%
Formula
Percentage change = [(421 - 904) / 904] x 100
Subtract the new number by the original number
421 - 904 = -483
-483 ÷ 904 = -0.5342920353982301
-0.5342920353982301 x 100 = -53.43%