The same first-purchase-date rule produces every figure on this page and the new-buyer lines inside the omni panels. There is no second definition (BR-12).
new-customer sales are a slice of the same day's net sales, not an addition to them (BR-9)
Value
New customers
467
Net sales
$25,875.94
% of net sales
13.3%
AST
$55.41
AST index vs fleet
85.0%
Colour tokens: gold = an input the business asserted · blue = a figure presented as given · green = calculated here. Dotted underline = hover for the formula.