3.2% is the change from 688 to 710
Calculation steps:
[( 710 - 688 ) ÷ 688] x 100 = 3.2%
Formula
Percentage change = [(710 - 688) / 688] x 100
Subtract the new number by the original number
710 - 688 = 22
22 ÷ 688 = 0.03197674418604651
0.03197674418604651 x 100 = 3.2%