-47.31% is the change from 539 to 284
Calculation steps:
[( 284 - 539 ) ÷ 539] x 100 = -47.31%
Formula
Percentage change = [(284 - 539) / 539] x 100
Subtract the new number by the original number
284 - 539 = -255
-255 ÷ 539 = -0.47309833024118736
-0.47309833024118736 x 100 = -47.31%