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Kalkulator różnicy procentowej

Oblicz symetryczną różnicę procentową między dwiema wartościami.

Wprowadzenie

Percent Difference Calculator — Calculate the symmetric percent difference between two values. Enter Value A, Value B to get an instant, accurate result.

Wzór

Percent difference = (|a − b| / ((|a| + |b|) / 2)) × 100 — the absolute difference relative to the average of the two values, used when neither value is clearly the "original" (unlike percent change).

Krok po kroku

  1. Enter the Value A.
  2. Enter the Value B.
  3. Click Calculate to see your result instantly.

Przykład z życia

Example: With Value A = 10, Value B = 20, the Percent Difference Calculator gives Percent Difference: 66.6667.

Często Zadawane Pytania

How is this different from percent change?
Percent change measures growth relative to a specific original value; percent difference is symmetric and measures the gap relative to the average of both values, useful when neither is a clear starting point.
What if both values are 0?
The average is 0, so percent difference is undefined and no result is returned.
What inputs does the Percent Difference Calculator need?
You'll need to provide: Value A, Value B. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Percent Difference Calculator?
The Percent Difference Calculator applies the formula exactly as calculated — Percent difference = (|a − b| / ((|a| + |b|) / 2)) × 100 — the absolute difference relative to the average of the two values, used when neither value is clearly the "original" (unlike percent change). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Percent Difference Calculator free to use?
Yes, the Percent Difference Calculator is completely free, requires no signup, and runs instantly in your browser.

O Kalkulator różnicy procentowej

The Percent Difference Calculator uses a real, verifiable formula — Percent difference = (|a − b| / ((|a| + |b|) / 2)) × 100 — the absolute difference relative to the average of the two values, used when neither value is clearly the "original" (unlike percent change). — so results are accurate every time, not an approximation.