-27.85% is the change from 456 to 329
Calculation steps:
[( 329 - 456 ) ÷ 456] x 100 = -27.85%
Formula
Percentage change = [(329 - 456) / 456] x 100
Subtract the new number by the original number
329 - 456 = -127
-127 ÷ 456 = -0.27850877192982454
-0.27850877192982454 x 100 = -27.85%