15.49% is the change from 665 to 768
Calculation steps:
[( 768 - 665 ) ÷ 665] x 100 = 15.49%
Formula
Percentage change = [(768 - 665) / 665] x 100
Subtract the new number by the original number
768 - 665 = 103
103 ÷ 665 = 0.1548872180451128
0.1548872180451128 x 100 = 15.49%