-0.8% is the change from 627 to 622
Calculation steps:
[( 622 - 627 ) ÷ 627] x 100 = -0.8%
Formula
Percentage change = [(622 - 627) / 627] x 100
Subtract the new number by the original number
622 - 627 = -5
-5 ÷ 627 = -0.007974481658692184
-0.007974481658692184 x 100 = -0.8%