-54.5% is the change from 723 to 329
Calculation steps:
[( 329 - 723 ) ÷ 723] x 100 = -54.5%
Formula
Percentage change = [(329 - 723) / 723] x 100
Subtract the new number by the original number
329 - 723 = -394
-394 ÷ 723 = -0.5449515905947441
-0.5449515905947441 x 100 = -54.5%