3.22% is the change from 684 to 706
Calculation steps:
[( 706 - 684 ) ÷ 684] x 100 = 3.22%
Formula
Percentage change = [(706 - 684) / 684] x 100
Subtract the new number by the original number
706 - 684 = 22
22 ÷ 684 = 0.03216374269005848
0.03216374269005848 x 100 = 3.22%