-3.88% is the change from 644 to 619
Calculation steps:
[( 619 - 644 ) ÷ 644] x 100 = -3.88%
Formula
Percentage change = [(619 - 644) / 644] x 100
Subtract the new number by the original number
619 - 644 = -25
-25 ÷ 644 = -0.03881987577639751
-0.03881987577639751 x 100 = -3.88%