13.79% is the change from 660 to 751
Calculation steps:
[( 751 - 660 ) ÷ 660] x 100 = 13.79%
Formula
Percentage change = [(751 - 660) / 660] x 100
Subtract the new number by the original number
751 - 660 = 91
91 ÷ 660 = 0.13787878787878788
0.13787878787878788 x 100 = 13.79%