8.18% is the change from 660 to 714
Calculation steps:
[( 714 - 660 ) ÷ 660] x 100 = 8.18%
Formula
Percentage change = [(714 - 660) / 660] x 100
Subtract the new number by the original number
714 - 660 = 54
54 ÷ 660 = 0.08181818181818182
0.08181818181818182 x 100 = 8.18%