-0.64% is the change from 626 to 622
Calculation steps:
[( 622 - 626 ) ÷ 626] x 100 = -0.64%
Formula
Percentage change = [(622 - 626) / 626] x 100
Subtract the new number by the original number
622 - 626 = -4
-4 ÷ 626 = -0.006389776357827476
-0.006389776357827476 x 100 = -0.64%