4.49% is the change from 668 to 698
Calculation steps:
[( 698 - 668 ) ÷ 668] x 100 = 4.49%
Formula
Percentage change = [(698 - 668) / 668] x 100
Subtract the new number by the original number
698 - 668 = 30
30 ÷ 668 = 0.04491017964071856
0.04491017964071856 x 100 = 4.49%