8.61% is the change from 453 to 492
Calculation steps:
[( 492 - 453 ) ÷ 453] x 100 = 8.61%
Formula
Percentage change = [(492 - 453) / 453] x 100
Subtract the new number by the original number
492 - 453 = 39
39 ÷ 453 = 0.08609271523178808
0.08609271523178808 x 100 = 8.61%