-13.15% is the change from 669 to 581
Calculation steps:
[( 581 - 669 ) ÷ 669] x 100 = -13.15%
Formula
Percentage change = [(581 - 669) / 669] x 100
Subtract the new number by the original number
581 - 669 = -88
-88 ÷ 669 = -0.13153961136023917
-0.13153961136023917 x 100 = -13.15%