-6% is the change from 667 to 627
Calculation steps:
[( 627 - 667 ) ÷ 667] x 100 = -6%
Formula
Percentage change = [(627 - 667) / 667] x 100
Subtract the new number by the original number
627 - 667 = -40
-40 ÷ 667 = -0.05997001499250375
-0.05997001499250375 x 100 = -6%