529.29% is the change from 99 to 623
Calculation steps:
[( 623 - 99 ) ÷ 99] x 100 = 529.29%
Formula
Percentage change = [(623 - 99) / 99] x 100
Subtract the new number by the original number
623 - 99 = 524
524 ÷ 99 = 5.292929292929293
5.292929292929293 x 100 = 529.29%