-6.13% is the change from 669 to 628
Calculation steps:
[( 628 - 669 ) ÷ 669] x 100 = -6.13%
Formula
Percentage change = [(628 - 669) / 669] x 100
Subtract the new number by the original number
628 - 669 = -41
-41 ÷ 669 = -0.061285500747384154
-0.061285500747384154 x 100 = -6.13%