49.56% is the change from 573 to 857
Calculation steps:
[( 857 - 573 ) ÷ 573] x 100 = 49.56%
Formula
Percentage change = [(857 - 573) / 573] x 100
Subtract the new number by the original number
857 - 573 = 284
284 ÷ 573 = 0.4956369982547993
0.4956369982547993 x 100 = 49.56%