6.9% is the change from 507 to 542
Calculation steps:
[( 542 - 507 ) ÷ 507] x 100 = 6.9%
Formula
Percentage change = [(542 - 507) / 507] x 100
Subtract the new number by the original number
542 - 507 = 35
35 ÷ 507 = 0.06903353057199212
0.06903353057199212 x 100 = 6.9%