39.86% is the change from 577 to 807
Calculation steps:
[( 807 - 577 ) ÷ 577] x 100 = 39.86%
Formula
Percentage change = [(807 - 577) / 577] x 100
Subtract the new number by the original number
807 - 577 = 230
230 ÷ 577 = 0.3986135181975737
0.3986135181975737 x 100 = 39.86%