6.53% is the change from 475 to 506
Calculation steps:
[( 506 - 475 ) ÷ 475] x 100 = 6.53%
Formula
Percentage change = [(506 - 475) / 475] x 100
Subtract the new number by the original number
506 - 475 = 31
31 ÷ 475 = 0.06526315789473684
0.06526315789473684 x 100 = 6.53%