55.42% is the change from 581 to 903
Calculation steps:
[( 903 - 581 ) ÷ 581] x 100 = 55.42%
Formula
Percentage change = [(903 - 581) / 581] x 100
Subtract the new number by the original number
903 - 581 = 322
322 ÷ 581 = 0.5542168674698795
0.5542168674698795 x 100 = 55.42%