2019-01-10 16:24:17 -05:00
|
|
|
|
|
|
|
|
Only applies to items that exist in both sets of data
|
|
|
|
|
|
|
|
|
|
**Change in Price**
|
|
|
|
|
|
|
|
|
|
( P₂ - P₁ ) Q₂
|
|
|
|
|
|
|
|
|
|
**Change in Quantity**
|
|
|
|
|
|
|
|
|
|
( Q₂ - Q₁ ) P₁
|
|
|
|
|
|
|
|
|
|
_To further break out change in quantity_
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Change in Quantity - _Volume Related_
|
|
|
|
|
|
|
|
|
|
Q₂ ( Q₁ / Σ ( Q₁ ) ) - Q₁
|
|
|
|
|
|
|
|
|
|
Change in Quantity - _Mix Related_
|
|
|
|
|
|
2017-09-28 12:01:06 -04:00
|
|
|
Q₂ - Q₂ ( Q₁ / Σ ( Q₁ ) )
|
