3.29% is the change from 577 to 596
Calculation steps:
[( 596 - 577 ) ÷ 577] x 100 = 3.29%
Formula
Percentage change = [(596 - 577) / 577] x 100
Subtract the new number by the original number
596 - 577 = 19
19 ÷ 577 = 0.03292894280762565
0.03292894280762565 x 100 = 3.29%