> Mac shipments are estimated to have grown from 1.7M in the first quarter of 2023 to 2.1M in the same quarter this year. That represents year-on-year growth of 22%, giving Apple a 14.2% share of the US PC market.
Author does not understand what market share means
2.1M/14.8M = 14.2% marketshare. Marketshare is the percentage of new shipments, which is the way its always been measured for this space and others (such as smartphones), the author got it right.
Author does not understand what market share means