6.07% is the change from 642 to 681
Calculation steps:
[( 681 - 642 ) ÷ 642] x 100 = 6.07%
Formula
Percentage change = [(681 - 642) / 642] x 100
Subtract the new number by the original number
681 - 642 = 39
39 ÷ 642 = 0.06074766355140187
0.06074766355140187 x 100 = 6.07%