-55.09% is the change from 579 to 260
Calculation steps:
[( 260 - 579 ) ÷ 579] x 100 = -55.09%
Formula
Percentage change = [(260 - 579) / 579] x 100
Subtract the new number by the original number
260 - 579 = -319
-319 ÷ 579 = -0.5509499136442142
-0.5509499136442142 x 100 = -55.09%