4.19% is the change from 477 to 497
Calculation steps:
[( 497 - 477 ) ÷ 477] x 100 = 4.19%
Formula
Percentage change = [(497 - 477) / 477] x 100
Subtract the new number by the original number
497 - 477 = 20
20 ÷ 477 = 0.041928721174004195
0.041928721174004195 x 100 = 4.19%