6.81% is the change from 602 to 643
Calculation steps:
[( 643 - 602 ) ÷ 602] x 100 = 6.81%
Formula
Percentage change = [(643 - 602) / 602] x 100
Subtract the new number by the original number
643 - 602 = 41
41 ÷ 602 = 0.0681063122923588
0.0681063122923588 x 100 = 6.81%