13.68% is the change from 665 to 756
Calculation steps:
[( 756 - 665 ) ÷ 665] x 100 = 13.68%
Formula
Percentage change = [(756 - 665) / 665] x 100
Subtract the new number by the original number
756 - 665 = 91
91 ÷ 665 = 0.1368421052631579
0.1368421052631579 x 100 = 13.68%