9.71% is the change from 453 to 497
Calculation steps:
[( 497 - 453 ) ÷ 453] x 100 = 9.71%
Formula
Percentage change = [(497 - 453) / 453] x 100
Subtract the new number by the original number
497 - 453 = 44
44 ÷ 453 = 0.09713024282560706
0.09713024282560706 x 100 = 9.71%