-83.49% is the change from 539 to 89
Calculation steps:
[( 89 - 539 ) ÷ 539] x 100 = -83.49%
Formula
Percentage change = [(89 - 539) / 539] x 100
Subtract the new number by the original number
89 - 539 = -450
-450 ÷ 539 = -0.8348794063079777
-0.8348794063079777 x 100 = -83.49%