4.34% is the change from 668 to 697
Calculation steps:
[( 697 - 668 ) ÷ 668] x 100 = 4.34%
Formula
Percentage change = [(697 - 668) / 668] x 100
Subtract the new number by the original number
697 - 668 = 29
29 ÷ 668 = 0.04341317365269461
0.04341317365269461 x 100 = 4.34%