55.59% is the change from 581 to 904
Calculation steps:
[( 904 - 581 ) ÷ 581] x 100 = 55.59%
Formula
Percentage change = [(904 - 581) / 581] x 100
Subtract the new number by the original number
904 - 581 = 323
323 ÷ 581 = 0.5559380378657487
0.5559380378657487 x 100 = 55.59%