13.9% is the change from 597 to 680
Calculation steps:
[( 680 - 597 ) ÷ 597] x 100 = 13.9%
Formula
Percentage change = [(680 - 597) / 597] x 100
Subtract the new number by the original number
680 - 597 = 83
83 ÷ 597 = 0.1390284757118928
0.1390284757118928 x 100 = 13.9%