17.49% is the change from 423 to 497
Calculation steps:
[( 497 - 423 ) ÷ 423] x 100 = 17.49%
Formula
Percentage change = [(497 - 423) / 423] x 100
Subtract the new number by the original number
497 - 423 = 74
74 ÷ 423 = 0.17494089834515367
0.17494089834515367 x 100 = 17.49%