8.18% is the change from 501 to 542
Calculation steps:
[( 542 - 501 ) ÷ 501] x 100 = 8.18%
Formula
Percentage change = [(542 - 501) / 501] x 100
Subtract the new number by the original number
542 - 501 = 41
41 ÷ 501 = 0.08183632734530938
0.08183632734530938 x 100 = 8.18%