3.34% is the change from 599 to 619
Calculation steps:
[( 619 - 599 ) ÷ 599] x 100 = 3.34%
Formula
Percentage change = [(619 - 599) / 599] x 100
Subtract the new number by the original number
619 - 599 = 20
20 ÷ 599 = 0.0333889816360601
0.0333889816360601 x 100 = 3.34%