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
665
Net sales
$36,934.57
% of net sales
13.4%
AST
$55.54
AST index vs fleet
85.1%
Colour tokens: gold = an input the business asserted · blue = a figure presented as given · green = calculated here. Dotted underline = hover for the formula.