-52.22% is the change from 586 to 280
Calculation steps:
[( 280 - 586 ) ÷ 586] x 100 = -52.22%
Formula
Percentage change = [(280 - 586) / 586] x 100
Subtract the new number by the original number
280 - 586 = -306
-306 ÷ 586 = -0.5221843003412969
-0.5221843003412969 x 100 = -52.22%