40.21% is the change from 577 to 809
Calculation steps:
[( 809 - 577 ) ÷ 577] x 100 = 40.21%
Formula
Percentage change = [(809 - 577) / 577] x 100
Subtract the new number by the original number
809 - 577 = 232
232 ÷ 577 = 0.4020797227036395
0.4020797227036395 x 100 = 40.21%