1.34% is the change from 670 to 679
Calculation steps:
[( 679 - 670 ) ÷ 670] x 100 = 1.34%
Formula
Percentage change = [(679 - 670) / 670] x 100
Subtract the new number by the original number
679 - 670 = 9
9 ÷ 670 = 0.013432835820895522
0.013432835820895522 x 100 = 1.34%