-12.37% is the change from 663 to 581
Calculation steps:
[( 581 - 663 ) ÷ 663] x 100 = -12.37%
Formula
Percentage change = [(581 - 663) / 663] x 100
Subtract the new number by the original number
581 - 663 = -82
-82 ÷ 663 = -0.12368024132730016
-0.12368024132730016 x 100 = -12.37%