21.47% is the change from 475 to 577
Calculation steps:
[( 577 - 475 ) ÷ 475] x 100 = 21.47%
Formula
Percentage change = [(577 - 475) / 475] x 100
Subtract the new number by the original number
577 - 475 = 102
102 ÷ 475 = 0.21473684210526317
0.21473684210526317 x 100 = 21.47%