3.93% is the change from 662 to 688
Calculation steps:
[( 688 - 662 ) ÷ 662] x 100 = 3.93%
Formula
Percentage change = [(688 - 662) / 662] x 100
Subtract the new number by the original number
688 - 662 = 26
26 ÷ 662 = 0.03927492447129909
0.03927492447129909 x 100 = 3.93%