-6.28% is the change from 669 to 627
Calculation steps:
[( 627 - 669 ) ÷ 669] x 100 = -6.28%
Formula
Percentage change = [(627 - 669) / 669] x 100
Subtract the new number by the original number
627 - 669 = -42
-42 ÷ 669 = -0.06278026905829596
-0.06278026905829596 x 100 = -6.28%