40.9% is the change from 577 to 813
Calculation steps:
[( 813 - 577 ) ÷ 577] x 100 = 40.9%
Formula
Percentage change = [(813 - 577) / 577] x 100
Subtract the new number by the original number
813 - 577 = 236
236 ÷ 577 = 0.4090121317157712
0.4090121317157712 x 100 = 40.9%