1.18% is the change from 680 to 688
Calculation steps:
[( 688 - 680 ) ÷ 680] x 100 = 1.18%
Formula
Percentage change = [(688 - 680) / 680] x 100
Subtract the new number by the original number
688 - 680 = 8
8 ÷ 680 = 0.011764705882352941
0.011764705882352941 x 100 = 1.18%