-0.64% is the change from 622 to 618
Calculation steps:
[( 618 - 622 ) ÷ 622] x 100 = -0.64%
Formula
Percentage change = [(618 - 622) / 622] x 100
Subtract the new number by the original number
618 - 622 = -4
-4 ÷ 622 = -0.006430868167202572
-0.006430868167202572 x 100 = -0.64%