-40.83% is the change from 556 to 329
Calculation steps:
[( 329 - 556 ) ÷ 556] x 100 = -40.83%
Formula
Percentage change = [(329 - 556) / 556] x 100
Subtract the new number by the original number
329 - 556 = -227
-227 ÷ 556 = -0.40827338129496404
-0.40827338129496404 x 100 = -40.83%