-57.33% is the change from 539 to 230
Calculation steps:
[( 230 - 539 ) ÷ 539] x 100 = -57.33%
Formula
Percentage change = [(230 - 539) / 539] x 100
Subtract the new number by the original number
230 - 539 = -309
-309 ÷ 539 = -0.5732838589981447
-0.5732838589981447 x 100 = -57.33%