-60.94% is the change from 663 to 259
Calculation steps:
[( 259 - 663 ) ÷ 663] x 100 = -60.94%
Formula
Percentage change = [(259 - 663) / 663] x 100
Subtract the new number by the original number
259 - 663 = -404
-404 ÷ 663 = -0.6093514328808446
-0.6093514328808446 x 100 = -60.94%