-49.69% is the change from 654 to 329
Calculation steps:
[( 329 - 654 ) ÷ 654] x 100 = -49.69%
Formula
Percentage change = [(329 - 654) / 654] x 100
Subtract the new number by the original number
329 - 654 = -325
-325 ÷ 654 = -0.4969418960244648
-0.4969418960244648 x 100 = -49.69%