What this tile shows
The raw cost of discounting for the period. Pair it with Coupon Order Revenue before judging any promotion.
Squizzie calls this one Coupon Discounts. It reads as a money figure in your shop currency.
Where the number comes from
WooCommerce Orders. Order data including revenue, counts, and averages.
What you need for it to appear
Nothing beyond Squizzie and the shop data it already reads.
Charting
This one charts as well as tiles, so it can go on a report as a figure, as a graph, or as both.