56.5% is the change from 577 to 903
Calculation steps:
[( 903 - 577 ) ÷ 577] x 100 = 56.5%
Formula
Percentage change = [(903 - 577) / 577] x 100
Subtract the new number by the original number
903 - 577 = 326
326 ÷ 577 = 0.5649913344887348
0.5649913344887348 x 100 = 56.5%