3.81% is the change from 473 to 491
Calculation steps:
[( 491 - 473 ) ÷ 473] x 100 = 3.81%
Formula
Percentage change = [(491 - 473) / 473] x 100
Subtract the new number by the original number
491 - 473 = 18
18 ÷ 473 = 0.03805496828752643
0.03805496828752643 x 100 = 3.81%