7.91% is the change from 506 to 546
Calculation steps:
[( 546 - 506 ) ÷ 506] x 100 = 7.91%
Formula
Percentage change = [(546 - 506) / 506] x 100
Subtract the new number by the original number
546 - 506 = 40
40 ÷ 506 = 0.07905138339920949
0.07905138339920949 x 100 = 7.91%