7.09% is the change from 423 to 453
Calculation steps:
[( 453 - 423 ) ÷ 423] x 100 = 7.09%
Formula
Percentage change = [(453 - 423) / 423] x 100
Subtract the new number by the original number
453 - 423 = 30
30 ÷ 423 = 0.07092198581560284
0.07092198581560284 x 100 = 7.09%