16.77% is the change from 477 to 557
Calculation steps:
[( 557 - 477 ) ÷ 477] x 100 = 16.77%
Formula
Percentage change = [(557 - 477) / 477] x 100
Subtract the new number by the original number
557 - 477 = 80
80 ÷ 477 = 0.16771488469601678
0.16771488469601678 x 100 = 16.77%