6.07% is the change from 511 to 542
Calculation steps:
[( 542 - 511 ) ÷ 511] x 100 = 6.07%
Formula
Percentage change = [(542 - 511) / 511] x 100
Subtract the new number by the original number
542 - 511 = 31
31 ÷ 511 = 0.060665362035225046
0.060665362035225046 x 100 = 6.07%