-65.49% is the change from 539 to 186
Calculation steps:
[( 186 - 539 ) ÷ 539] x 100 = -65.49%
Formula
Percentage change = [(186 - 539) / 539] x 100
Subtract the new number by the original number
186 - 539 = -353
-353 ÷ 539 = -0.6549165120593692
-0.6549165120593692 x 100 = -65.49%