-39.74% is the change from 546 to 329
Calculation steps:
[( 329 - 546 ) ÷ 546] x 100 = -39.74%
Formula
Percentage change = [(329 - 546) / 546] x 100
Subtract the new number by the original number
329 - 546 = -217
-217 ÷ 546 = -0.3974358974358974
-0.3974358974358974 x 100 = -39.74%