-56.59% is the change from 539 to 234
Calculation steps:
[( 234 - 539 ) ÷ 539] x 100 = -56.59%
Formula
Percentage change = [(234 - 539) / 539] x 100
Subtract the new number by the original number
234 - 539 = -305
-305 ÷ 539 = -0.5658627087198516
-0.5658627087198516 x 100 = -56.59%