3.36% is the change from 596 to 616
Calculation steps:
[( 616 - 596 ) ÷ 596] x 100 = 3.36%
Formula
Percentage change = [(616 - 596) / 596] x 100
Subtract the new number by the original number
616 - 596 = 20
20 ÷ 596 = 0.03355704697986577
0.03355704697986577 x 100 = 3.36%