8.35% is the change from 455 to 493
Calculation steps:
[( 493 - 455 ) ÷ 455] x 100 = 8.35%
Formula
Percentage change = [(493 - 455) / 455] x 100
Subtract the new number by the original number
493 - 455 = 38
38 ÷ 455 = 0.08351648351648351
0.08351648351648351 x 100 = 8.35%