45.23% is the change from 577 to 838
Calculation steps:
[( 838 - 577 ) ÷ 577] x 100 = 45.23%
Formula
Percentage change = [(838 - 577) / 577] x 100
Subtract the new number by the original number
838 - 577 = 261
261 ÷ 577 = 0.45233968804159447
0.45233968804159447 x 100 = 45.23%