11.39% is the change from 597 to 665
Calculation steps:
[( 665 - 597 ) ÷ 597] x 100 = 11.39%
Formula
Percentage change = [(665 - 597) / 597] x 100
Subtract the new number by the original number
665 - 597 = 68
68 ÷ 597 = 0.11390284757118928
0.11390284757118928 x 100 = 11.39%