-38.96% is the change from 539 to 329
Calculation steps:
[( 329 - 539 ) ÷ 539] x 100 = -38.96%
Formula
Percentage change = [(329 - 539) / 539] x 100
Subtract the new number by the original number
329 - 539 = -210
-210 ÷ 539 = -0.38961038961038963
-0.38961038961038963 x 100 = -38.96%