10.75% is the change from 577 to 639
Calculation steps:
[( 639 - 577 ) ÷ 577] x 100 = 10.75%
Formula
Percentage change = [(639 - 577) / 577] x 100
Subtract the new number by the original number
639 - 577 = 62
62 ÷ 577 = 0.10745233968804159
0.10745233968804159 x 100 = 10.75%