3.89% is the change from 642 to 667
Calculation steps:
[( 667 - 642 ) ÷ 642] x 100 = 3.89%
Formula
Percentage change = [(667 - 642) / 642] x 100
Subtract the new number by the original number
667 - 642 = 25
25 ÷ 642 = 0.03894080996884735
0.03894080996884735 x 100 = 3.89%