3.06% is the change from 687 to 708
Calculation steps:
[( 708 - 687 ) ÷ 687] x 100 = 3.06%
Formula
Percentage change = [(708 - 687) / 687] x 100
Subtract the new number by the original number
708 - 687 = 21
21 ÷ 687 = 0.03056768558951965
0.03056768558951965 x 100 = 3.06%