2.9% is the change from 690 to 710
Calculation steps:
[( 710 - 690 ) ÷ 690] x 100 = 2.9%
Formula
Percentage change = [(710 - 690) / 690] x 100
Subtract the new number by the original number
710 - 690 = 20
20 ÷ 690 = 0.028985507246376812
0.028985507246376812 x 100 = 2.9%