FinFIRST prompt teardown uses seven steps to calculate Meta revenue share

1. Identify and locate the official corporate disclosure materials and industry reports for your target metrics.
2. Extract all individual quarterly values and sum them to calculate the numerator.
3. Retrieve the industry denominator from a verified source like the IAB/PwC report.
4. Divide the numerator by the denominator and format the final output as a percentage to complete the checkable workflow.