9.22% is the change from 423 to 462
Calculation steps:
[( 462 - 423 ) ÷ 423] x 100 = 9.22%
Formula
Percentage change = [(462 - 423) / 423] x 100
Subtract the new number by the original number
462 - 423 = 39
39 ÷ 423 = 0.09219858156028368
0.09219858156028368 x 100 = 9.22%