6.91% is the change from 579 to 619
Calculation steps:
[( 619 - 579 ) ÷ 579] x 100 = 6.91%
Formula
Percentage change = [(619 - 579) / 579] x 100
Subtract the new number by the original number
619 - 579 = 40
40 ÷ 579 = 0.0690846286701209
0.0690846286701209 x 100 = 6.91%