11.7% is the change from 453 to 506
Calculation steps:
[( 506 - 453 ) ÷ 453] x 100 = 11.7%
Formula
Percentage change = [(506 - 453) / 453] x 100
Subtract the new number by the original number
506 - 453 = 53
53 ÷ 453 = 0.11699779249448124
0.11699779249448124 x 100 = 11.7%