How to calculate the percentage of warehouse in sales?

You need to know the warehousing quantity and sales volume, and the warehousing quantity divided by the sales volume is the proportion.

In mathematics, proportion is the proportion of the number of parts in a population to the total, which is used to reflect the composition or structure of a population.

Sales amount refers to the total price and extra-price fees charged by taxpayers from the parties or service providers who purchase or accept taxable services when they sell goods or provide taxable services, but does not include the output tax charged from the buyers and the government funds or administrative fees charged on their behalf.