6.46% is the change from 542 to 577
Calculation steps:
[( 577 - 542 ) ÷ 542] x 100 = 6.46%
Formula
Percentage change = [(577 - 542) / 542] x 100
Subtract the new number by the original number
577 - 542 = 35
35 ÷ 542 = 0.06457564575645756
0.06457564575645756 x 100 = 6.46%