15.76% is the change from 660 to 764
Calculation steps:
[( 764 - 660 ) ÷ 660] x 100 = 15.76%
Formula
Percentage change = [(764 - 660) / 660] x 100
Subtract the new number by the original number
764 - 660 = 104
104 ÷ 660 = 0.15757575757575756
0.15757575757575756 x 100 = 15.76%