18.72% is the change from 577 to 685
Calculation steps:
[( 685 - 577 ) ÷ 577] x 100 = 18.72%
Formula
Percentage change = [(685 - 577) / 577] x 100
Subtract the new number by the original number
685 - 577 = 108
108 ÷ 577 = 0.18717504332755633
0.18717504332755633 x 100 = 18.72%