-5.57% is the change from 664 to 627
Calculation steps:
[( 627 - 664 ) ÷ 664] x 100 = -5.57%
Formula
Percentage change = [(627 - 664) / 664] x 100
Subtract the new number by the original number
627 - 664 = -37
-37 ÷ 664 = -0.05572289156626506
-0.05572289156626506 x 100 = -5.57%