30.49% is the change from 597 to 779
Calculation steps:
[( 779 - 597 ) ÷ 597] x 100 = 30.49%
Formula
Percentage change = [(779 - 597) / 597] x 100
Subtract the new number by the original number
779 - 597 = 182
182 ÷ 597 = 0.304857621440536
0.304857621440536 x 100 = 30.49%