-19.46% is the change from 406 to 327
Calculation steps:
[( 327 - 406 ) ÷ 406] x 100 = -19.46%
Formula
Percentage change = [(327 - 406) / 406] x 100
Subtract the new number by the original number
327 - 406 = -79
-79 ÷ 406 = -0.19458128078817735
-0.19458128078817735 x 100 = -19.46%