2.88% is the change from 626 to 644
Calculation steps:
[( 644 - 626 ) ÷ 626] x 100 = 2.88%
Formula
Percentage change = [(644 - 626) / 626] x 100
Subtract the new number by the original number
644 - 626 = 18
18 ÷ 626 = 0.02875399361022364
0.02875399361022364 x 100 = 2.88%