-50.71% is the change from 566 to 279
Calculation steps:
[( 279 - 566 ) ÷ 566] x 100 = -50.71%
Formula
Percentage change = [(279 - 566) / 566] x 100
Subtract the new number by the original number
279 - 566 = -287
-287 ÷ 566 = -0.5070671378091873
-0.5070671378091873 x 100 = -50.71%