-46.2% is the change from 539 to 290
Calculation steps:
[( 290 - 539 ) ÷ 539] x 100 = -46.2%
Formula
Percentage change = [(290 - 539) / 539] x 100
Subtract the new number by the original number
290 - 539 = -249
-249 ÷ 539 = -0.4619666048237477
-0.4619666048237477 x 100 = -46.2%