-81.82% is the change from 539 to 98
Calculation steps:
[( 98 - 539 ) ÷ 539] x 100 = -81.82%
Formula
Percentage change = [(98 - 539) / 539] x 100
Subtract the new number by the original number
98 - 539 = -441
-441 ÷ 539 = -0.8181818181818182
-0.8181818181818182 x 100 = -81.82%