0.75% is the change from 663 to 668
Calculation steps:
[( 668 - 663 ) ÷ 663] x 100 = 0.75%
Formula
Percentage change = [(668 - 663) / 663] x 100
Subtract the new number by the original number
668 - 663 = 5
5 ÷ 663 = 0.007541478129713424
0.007541478129713424 x 100 = 0.75%