3.89% is the change from 668 to 694
Calculation steps:
[( 694 - 668 ) ÷ 668] x 100 = 3.89%
Formula
Percentage change = [(694 - 668) / 668] x 100
Subtract the new number by the original number
694 - 668 = 26
26 ÷ 668 = 0.038922155688622756
0.038922155688622756 x 100 = 3.89%