21.22% is the change from 476 to 577
Calculation steps:
[( 577 - 476 ) ÷ 476] x 100 = 21.22%
Formula
Percentage change = [(577 - 476) / 476] x 100
Subtract the new number by the original number
577 - 476 = 101
101 ÷ 476 = 0.21218487394957983
0.21218487394957983 x 100 = 21.22%