3.14% is the change from 478 to 493
Calculation steps:
[( 493 - 478 ) ÷ 478] x 100 = 3.14%
Formula
Percentage change = [(493 - 478) / 478] x 100
Subtract the new number by the original number
493 - 478 = 15
15 ÷ 478 = 0.03138075313807531
0.03138075313807531 x 100 = 3.14%