3.38% is the change from 680 to 703
Calculation steps:
[( 703 - 680 ) ÷ 680] x 100 = 3.38%
Formula
Percentage change = [(703 - 680) / 680] x 100
Subtract the new number by the original number
703 - 680 = 23
23 ÷ 680 = 0.033823529411764704
0.033823529411764704 x 100 = 3.38%