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Percentage Points vs. Percentage Change

A percentage point is the simple arithmetic difference between two percentage rates: an increase from 5% to 8% is 3 percentage points. Percentage change measures the proportional relative change against the original base: ((8 − 5) / 5) × 100 = 60%. Conflating the two produces drastic analytical errors in financial modeling.

Points = New% − Old%; Relative Change% = ((New% − Old%) / Old%) × 100

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Calculated Result
+3 pp(+60% relative)

Rate moved from 5% to 8%: +3 percentage points difference (+60% relative change).

Formula: 8% − 5% = +3 points

Statistical Breakdown & Complementary Metrics

Percentage Points (pp)
Spread
+3 pp

Simple arithmetic spread (R2 − R1)

Relative Change (%)
Relative
+60%

Proportional movement vs 5%

Rate Multiple
Ratio
1.6×

8% ÷ 5%

Percentage Points vs. Percentage Change

A common source of confusion in finance, tax policy, and interest rate announcements:

Percentage Points (pp)The simple arithmetic difference between two percentage values. If a central bank interest rate moves from 5% to 8%, it increased by 3 percentage points (8 − 5 = 3).
Percentage Change (%)The relative proportional increase or decrease against the original baseline. Moving from 5% to 8% is a 60% relative increase ((8 − 5) / 5 × 100 = 60%).

Frequently asked

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Because interest rates are already percentages. If a central bank moves its rate from 4% to 5%, stating a '1% hike' could be confused with 4.04% (a 1% relative increase), whereas '1 percentage point' (or 100 basis points) unambiguously means 5.00%.

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