3.09% is the change from 680 to 701
Calculation steps:
[( 701 - 680 ) ÷ 680] x 100 = 3.09%
Formula
Percentage change = [(701 - 680) / 680] x 100
Subtract the new number by the original number
701 - 680 = 21
21 ÷ 680 = 0.030882352941176472
0.030882352941176472 x 100 = 3.09%