-80.33% is the change from 539 to 106
Calculation steps:
[( 106 - 539 ) ÷ 539] x 100 = -80.33%
Formula
Percentage change = [(106 - 539) / 539] x 100
Subtract the new number by the original number
106 - 539 = -433
-433 ÷ 539 = -0.8033395176252319
-0.8033395176252319 x 100 = -80.33%