0.45% is the change from 664 to 667
Calculation steps:
[( 667 - 664 ) ÷ 664] x 100 = 0.45%
Formula
Percentage change = [(667 - 664) / 664] x 100
Subtract the new number by the original number
667 - 664 = 3
3 ÷ 664 = 0.004518072289156626
0.004518072289156626 x 100 = 0.45%