-54.06% is the change from 566 to 260
Calculation steps:
[( 260 - 566 ) ÷ 566] x 100 = -54.06%
Formula
Percentage change = [(260 - 566) / 566] x 100
Subtract the new number by the original number
260 - 566 = -306
-306 ÷ 566 = -0.5406360424028268
-0.5406360424028268 x 100 = -54.06%