-38.85% is the change from 538 to 329
Calculation steps:
[( 329 - 538 ) ÷ 538] x 100 = -38.85%
Formula
Percentage change = [(329 - 538) / 538] x 100
Subtract the new number by the original number
329 - 538 = -209
-209 ÷ 538 = -0.38847583643122674
-0.38847583643122674 x 100 = -38.85%