Let's look at a Promotions Manager Summary Report for two promotions. Both promotions ran from 9/5 to 9/10.

The first promotion is a Buy 1, Get 2 at 50% Off promotion.

Three sales were made during the promotion period, however only Item 3 triggered a discount during the promotion:

Promotion 1

Item

Price

Sale Date

Qty Sold

Total Revenue

Item 1 $2 9/1 1 $2
Item 2 $2 9/6 1 $2
Item 3 $2 9/10 2 $1.50
Item 4 $12 9/10 1 $12

The second promotion is a Spend $10, Get $5 Off promotion.

There were two sales during this promotion period but only Item 6 triggered a promotional discount:

Promotion 2

Item

Price

Sale Date

Qty Sold

Total Revenue

Item 5 $6 9/2 3 $18
Item 6 $6 9/5 3 $13
Item 7 $6 9/9 1 $6

Promotion Summary Report results

The sections below show how the baseSale, promotionSale, and precentageSalesLift values are calculated in the Summary Report.

Base Sale calculation

The baseSale value for the two promotions is $20.00, which is the total revenue from all the sales that did not trigger the promotion during the report period.

Item

Price

Sale Date

Qty Sold

Total Revenue

Notes

Item 1 $2 9/1 1 $2 Not counted - out of promotion period
Item 2 $2 9/6 1 $2
Item 3 $2 9/10 2 $1.50 Not counted - triggered promotion
Item 4 $12 9/10 1 $12
Item 5 $6 9/2 3 $18 Not counted - out of promotion period
Item 6 $6 9/5 3 $13 Not counted - triggered promotion
Item 7 $6 9/9 1 $6
$20.00

Promotion Sale calculation

The promotionSale value is $14.50, which is the total revenue from all the sales that triggered the promotion during the report period.

Item

Price

Sale Date

Qty Sold

Total Revenue

Notes

Item 1 $2 9/1 1 $2 Not counted - out of promotion period
Item 2 $2 9/6 1 $2 Not counted - did not trigger promotion
Item 3 $2 9/10 2 $1.50
Item 4 $12 9/10 1 $12 Not counted - did not trigger promotion
Item 5 $6 9/2 3 $18 Not counted - out of promotion period
Item 6 $6 9/5 3 $13
Item 7 $6 9/9 1 $6 Not counted - did not trigger promotion
$14.50

Percentage Sales Lift calculation

The precentageSalesLift represents the percentage of the total dollar amount gained due to promotions, which is calculated as follows:

    precentageSalesLift = promotionSale / (baseSale + promotionSale)

In this example, the precentageSalesLift is 42% during the report period:

    precentageSalesLift = $14.50 / ($20.00 + $14.50) = 42.03%