8.3% is the change from 506 to 548
Calculation steps:
[( 548 - 506 ) ÷ 506] x 100 = 8.3%
Formula
Percentage change = [(548 - 506) / 506] x 100
Subtract the new number by the original number
548 - 506 = 42
42 ÷ 506 = 0.08300395256916997
0.08300395256916997 x 100 = 8.3%