2.75% is the change from 619 to 636
Calculation steps:
[( 636 - 619 ) ÷ 619] x 100 = 2.75%
Formula
Percentage change = [(636 - 619) / 619] x 100
Subtract the new number by the original number
636 - 619 = 17
17 ÷ 619 = 0.027463651050080775
0.027463651050080775 x 100 = 2.75%