A 5% waste allowance was applied to the pack count.
The waste percentage above is for straight laying (planks parallel to a wall). Diagonal laying cuts every edge plank at an angle and typically needs significantly more waste — increase it if you're laying diagonally.
Planks required assumes offcuts from the end of one row are reused to start the next row, which is standard site practice — it does not add any extra planks for cutting loss beyond the waste percentage you set separately.
Pack coverage is the figure you supplied above, not a derived value — laminate is sold by pack area, and plank count per pack varies by product even at the same coverage. Confirm it against your chosen product's packaging.
The diagram shows a representative plank pattern rather than every individual plank, to keep it legible.