2.23% is the change from 628 to 642
Calculation steps:
[( 642 - 628 ) ÷ 628] x 100 = 2.23%
Formula
Percentage change = [(642 - 628) / 628] x 100
Subtract the new number by the original number
642 - 628 = 14
14 ÷ 628 = 0.022292993630573247
0.022292993630573247 x 100 = 2.23%