6.57% is the change from 670 to 714
Calculation steps:
[( 714 - 670 ) ÷ 670] x 100 = 6.57%
Formula
Percentage change = [(714 - 670) / 670] x 100
Subtract the new number by the original number
714 - 670 = 44
44 ÷ 670 = 0.06567164179104477
0.06567164179104477 x 100 = 6.57%