-51.76% is the change from 539 to 260
Calculation steps:
[( 260 - 539 ) ÷ 539] x 100 = -51.76%
Formula
Percentage change = [(260 - 539) / 539] x 100
Subtract the new number by the original number
260 - 539 = -279
-279 ÷ 539 = -0.5176252319109462
-0.5176252319109462 x 100 = -51.76%