-26.76% is the change from 669 to 490
Calculation steps:
[( 490 - 669 ) ÷ 669] x 100 = -26.76%
Formula
Percentage change = [(490 - 669) / 669] x 100
Subtract the new number by the original number
490 - 669 = -179
-179 ÷ 669 = -0.26756352765321373
-0.26756352765321373 x 100 = -26.76%