7.33% is the change from 423 to 454
Calculation steps:
[( 454 - 423 ) ÷ 423] x 100 = 7.33%
Formula
Percentage change = [(454 - 423) / 423] x 100
Subtract the new number by the original number
454 - 423 = 31
31 ÷ 423 = 0.07328605200945626
0.07328605200945626 x 100 = 7.33%