2.92% is the change from 686 to 706
Calculation steps:
[( 706 - 686 ) ÷ 686] x 100 = 2.92%
Formula
Percentage change = [(706 - 686) / 686] x 100
Subtract the new number by the original number
706 - 686 = 20
20 ÷ 686 = 0.029154518950437316
0.029154518950437316 x 100 = 2.92%