Rates, Ratios & Percentage Change

Compute and compare rates, ratios, and growth without misleading yourself.

Inside this lesson

Compute a rate as a count per unit of exposure
Calculate and interpret ratios for comparison
Apply the percentage change formula to time-series data
Distinguish percentage points from percent change

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Educational training content only - not professional, financial, legal, or data-governance advice, and not a promise of any business or analytical result. Examples are illustrative and use hypothetical data with stated assumptions and units. Third-party names are descriptive and imply no affiliation.