-26.91% is the change from 669 to 489
Calculation steps:
[( 489 - 669 ) ÷ 669] x 100 = -26.91%
Formula
Percentage change = [(489 - 669) / 669] x 100
Subtract the new number by the original number
489 - 669 = -180
-180 ÷ 669 = -0.26905829596412556
-0.26905829596412556 x 100 = -26.91%