41.42% is the change from 577 to 816
Calculation steps:
[( 816 - 577 ) ÷ 577] x 100 = 41.42%
Formula
Percentage change = [(816 - 577) / 577] x 100
Subtract the new number by the original number
816 - 577 = 239
239 ÷ 577 = 0.41421143847487
0.41421143847487 x 100 = 41.42%