-62.15% is the change from 539 to 204
Calculation steps:
[( 204 - 539 ) ÷ 539] x 100 = -62.15%
Formula
Percentage change = [(204 - 539) / 539] x 100
Subtract the new number by the original number
204 - 539 = -335
-335 ÷ 539 = -0.62152133580705
-0.62152133580705 x 100 = -62.15%