-4.01% is the change from 648 to 622
Calculation steps:
[( 622 - 648 ) ÷ 648] x 100 = -4.01%
Formula
Percentage change = [(622 - 648) / 648] x 100
Subtract the new number by the original number
622 - 648 = -26
-26 ÷ 648 = -0.040123456790123455
-0.040123456790123455 x 100 = -4.01%