-55.38% is the change from 585 to 261
Calculation steps:
[( 261 - 585 ) ÷ 585] x 100 = -55.38%
Formula
Percentage change = [(261 - 585) / 585] x 100
Subtract the new number by the original number
261 - 585 = -324
-324 ÷ 585 = -0.5538461538461539
-0.5538461538461539 x 100 = -55.38%