10.5% is the change from 457 to 505
Calculation steps:
[( 505 - 457 ) ÷ 457] x 100 = 10.5%
Formula
Percentage change = [(505 - 457) / 457] x 100
Subtract the new number by the original number
505 - 457 = 48
48 ÷ 457 = 0.1050328227571116
0.1050328227571116 x 100 = 10.5%