44.85% is the change from 573 to 830
Calculation steps:
[( 830 - 573 ) ÷ 573] x 100 = 44.85%
Formula
Percentage change = [(830 - 573) / 573] x 100
Subtract the new number by the original number
830 - 573 = 257
257 ÷ 573 = 0.44851657940663175
0.44851657940663175 x 100 = 44.85%