18.54% is the change from 577 to 684
Calculation steps:
[( 684 - 577 ) ÷ 577] x 100 = 18.54%
Formula
Percentage change = [(684 - 577) / 577] x 100
Subtract the new number by the original number
684 - 577 = 107
107 ÷ 577 = 0.1854419410745234
0.1854419410745234 x 100 = 18.54%