3.94% is the change from 457 to 475
Calculation steps:
[( 475 - 457 ) ÷ 457] x 100 = 3.94%
Formula
Percentage change = [(475 - 457) / 457] x 100
Subtract the new number by the original number
475 - 457 = 18
18 ÷ 457 = 0.03938730853391685
0.03938730853391685 x 100 = 3.94%