42.12% is the change from 406 to 577
Calculation steps:
[( 577 - 406 ) ÷ 406] x 100 = 42.12%
Formula
Percentage change = [(577 - 406) / 406] x 100
Subtract the new number by the original number
577 - 406 = 171
171 ÷ 406 = 0.4211822660098522
0.4211822660098522 x 100 = 42.12%