First check what basis the data refers to. A serving can be a manufacturer's suggestion or a user quantity, so it cannot always be compared directly with another product. Macrovia calculates per serving only when the serving size can be interpreted.
Knowledge base · Nutrients
Nutrition per 100 grams or per serving: how to read it
The value given per 100 grams or 100 millilitres helps comparison, while the per-serving value depends on the actual amount.