-51.55% is the change from 679 to 329
Calculation steps:
[( 329 - 679 ) ÷ 679] x 100 = -51.55%
Formula
Percentage change = [(329 - 679) / 679] x 100
Subtract the new number by the original number
329 - 679 = -350
-350 ÷ 679 = -0.5154639175257731
-0.5154639175257731 x 100 = -51.55%