-54.92% is the change from 539 to 243
Calculation steps:
[( 243 - 539 ) ÷ 539] x 100 = -54.92%
Formula
Percentage change = [(243 - 539) / 539] x 100
Subtract the new number by the original number
243 - 539 = -296
-296 ÷ 539 = -0.549165120593692
-0.549165120593692 x 100 = -54.92%