17.33% is the change from 577 to 677
Calculation steps:
[( 677 - 577 ) ÷ 577] x 100 = 17.33%
Formula
Percentage change = [(677 - 577) / 577] x 100
Subtract the new number by the original number
677 - 577 = 100
100 ÷ 577 = 0.1733102253032929
0.1733102253032929 x 100 = 17.33%