4.19% is the change from 668 to 696
Calculation steps:
[( 696 - 668 ) ÷ 668] x 100 = 4.19%
Formula
Percentage change = [(696 - 668) / 668] x 100
Subtract the new number by the original number
696 - 668 = 28
28 ÷ 668 = 0.041916167664670656
0.041916167664670656 x 100 = 4.19%