Finance and accounting

Percentage point difference calculator

Difference between two percentages in percentage points and basis points, alongside the relative percentage change.

Runs in your browser. What you enter stays on this page and is not uploaded.

Method and limits

When a rate moves from one percentage to another, the arithmetic difference is measured in percentage points; the relative change divides that difference by the starting percentage. One percentage point is 100 basis points.

Difference = B − A percentage points = 100 × (B − A) basis points
Relative change = (B − A) / |A| × 100%

Assumptions and limits

  • Enter percentages as numbers (5 for 5%).
  • The relative change is undefined when the first percentage is 0.

Worked example

An interest rate rising from 4% to 5% is up 1 percentage point (100 basis points), which is a 25% relative increase.

References

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