-2.21% is the change from 633 to 619
Calculation steps:
[( 619 - 633 ) ÷ 633] x 100 = -2.21%
Formula
Percentage change = [(619 - 633) / 633] x 100
Subtract the new number by the original number
619 - 633 = -14
-14 ÷ 633 = -0.022116903633491312
-0.022116903633491312 x 100 = -2.21%