-32.1% is the change from 539 to 366
Calculation steps:
[( 366 - 539 ) ÷ 539] x 100 = -32.1%
Formula
Percentage change = [(366 - 539) / 539] x 100
Subtract the new number by the original number
366 - 539 = -173
-173 ÷ 539 = -0.3209647495361781
-0.3209647495361781 x 100 = -32.1%