-69.76% is the change from 539 to 163
Calculation steps:
[( 163 - 539 ) ÷ 539] x 100 = -69.76%
Formula
Percentage change = [(163 - 539) / 539] x 100
Subtract the new number by the original number
163 - 539 = -376
-376 ÷ 539 = -0.6975881261595547
-0.6975881261595547 x 100 = -69.76%