0.91% is the change from 662 to 668
Calculation steps:
[( 668 - 662 ) ÷ 662] x 100 = 0.91%
Formula
Percentage change = [(668 - 662) / 662] x 100
Subtract the new number by the original number
668 - 662 = 6
6 ÷ 662 = 0.00906344410876133
0.00906344410876133 x 100 = 0.91%