9.05% is the change from 464 to 506
Calculation steps:
[( 506 - 464 ) ÷ 464] x 100 = 9.05%
Formula
Percentage change = [(506 - 464) / 464] x 100
Subtract the new number by the original number
506 - 464 = 42
42 ÷ 464 = 0.09051724137931035
0.09051724137931035 x 100 = 9.05%