44.6% is the change from 574 to 830
Calculation steps:
[( 830 - 574 ) ÷ 574] x 100 = 44.6%
Formula
Percentage change = [(830 - 574) / 574] x 100
Subtract the new number by the original number
830 - 574 = 256
256 ÷ 574 = 0.445993031358885
0.445993031358885 x 100 = 44.6%