3.65% is the change from 576 to 597
Calculation steps:
[( 597 - 576 ) ÷ 576] x 100 = 3.65%
Formula
Percentage change = [(597 - 576) / 576] x 100
Subtract the new number by the original number
597 - 576 = 21
21 ÷ 576 = 0.036458333333333336
0.036458333333333336 x 100 = 3.65%