A percentage needs a sales base
Nike’s reported gross margin improved from 42.2% to 42.8% in the episode’s quarterly comparison. Yet gross profit fell from US$4.943 billion to US$4.798 billion. The percentage improved while the dollars declined. There is no accounting contradiction: Nike retained a larger proportion of a smaller revenue total.
A margin describes a relationship. Gross-profit dollars describe an amount. Owners need both because rent, salaries and other costs are not paid with a percentage. An improved buying deal can be valuable progress without making up for lost sales. Equally, rapid sales growth can hide deteriorating product economics. The useful question is what happened to the total pool of gross profit available to support the business.
Try the clearly hypothetical US$100 business
Imagine a business selling US$100 of products at a 40% gross margin. It generates US$40 of gross profit. In the next period, sales fall to US$90 while gross margin improves to 42%. Multiplying US$90 by 42% gives US$37.80. The business keeps a bigger share of each sales dollar but earns US$2.20 less gross profit overall.
These are teaching numbers, not the economics of a Nike shoe. Moving from 40% to 42% is a two-percentage-point increase. It is not a two-percent relative increase: compared with the original 40%, the percentage is 5% larger. Clear labels help, but multiplication does the decisive work. Before celebrating a better margin, put the revenue base next to it.
Rebuild the change without inventing its cause
Nike’s revenue declined from US$11.720 billion to US$11.213 billion. One way to reconstruct the gross-profit movement is to change revenue first, keeping the earlier exact margin, then change the margin on the newer sales base. That produces an approximately US$213.83 million reduction followed by an approximately US$68.83 million improvement, reconciling to the US$145 million decline.
The calculation uses gross profit divided by revenue from the reported table, rather than rounded headline margins. It also needs a careful name. The revenue-base effect is not a measured loss from selling a particular number of fewer shoes. Price, mix, currency and quantities can all affect revenue. Nike attributed the margin improvement mainly to lower warehousing and logistics costs; our arithmetic bridge does not independently measure that operational cause.
Gross profit is only one floor of the building
The rest of the income statement changed too. Selling and administrative expenses fell by US$106 million, from US$4.016 billion to US$3.910 billion. That expense reduction cushioned much of the gross-profit decline. Other movements and tax then affected the final result. Net income fell by US$15 million, which is a different measure from the US$145 million gross-profit decline.
This is why the word “profit” needs a qualifier. Gross profit has not yet deducted every expense. Net income is further down the statement. Neither is the current bank balance. When comparing direct sales with wholesale, the same discipline applies: different routes can carry different selling responsibilities and costs. A higher selling price in one channel is not enough to establish a better final return.
Give the next result a three-part scorecard
For a smaller business, start with revenue, gross margin and gross-profit dollars on the same page. Then add the operating costs needed to support those sales. Ask whether lower expenses reflect sustainable efficiency, reduced activity or a cut that may need reversing later. The numbers locate a change; further evidence explains why it happened and whether it can last.
Finally, add cash timing when that is the decision at hand. Supplier terms, inventory and customer collections may move independently of the margin. A business can improve product profitability and still need more cash to fund growth. Nike’s lesson is useful precisely because it resists a single flattering headline. Better percentages matter. The fuller test is whether sales, retained dollars and the cost of earning them are improving together.
Hypothetical teaching example, not the cost or profit of a Nike shoe.
Three questions for your next business conversation
- Did gross-profit dollars improve along with the percentage?
- Which part of the change reflects price, mix, volume or currency, and which remains unexplained?
- Are lower operating costs sustainable without weakening the next period’s sales?
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Sources & Scope
Company-wide gross profit is distinct from product markup, net income and cash. Fixed-variable bridges are arithmetic reconstructions, not estimates of physical unit volume or forecasts.