15.25% is the change from 577 to 665
Calculation steps:
[( 665 - 577 ) ÷ 577] x 100 = 15.25%
Formula
Percentage change = [(665 - 577) / 577] x 100
Subtract the new number by the original number
665 - 577 = 88
88 ÷ 577 = 0.15251299826689774
0.15251299826689774 x 100 = 15.25%