573.98% is the change from 123 to 829
Calculation steps:
[( 829 - 123 ) ÷ 123] x 100 = 573.98%
Formula
Percentage change = [(829 - 123) / 123] x 100
Subtract the new number by the original number
829 - 123 = 706
706 ÷ 123 = 5.739837398373984
5.739837398373984 x 100 = 573.98%