Calculatrice de Variation en Pourcentage Avancée Gratuite
Calculez la variation en pourcentage avec des options avancées. Gérez les augmentations, diminutions et variations cumulées.
Pct Change
15.00 %
Formule
Percentage Change vs Percentage Difference
Percentage Change
% Change = ((New - Original) / Used when there is a clear "before" and "after" value. % Difference = ) / 2) × 100Original ) × 100 Percentage Difference
New - Original / (( Old + New
Used when comparing two values without a clear reference (e.g., comparing two measurements).
Exemple Résolu
A value changed from 80 to 92.
- 01% Change = (92 - 80)/80 × 100 = 12/80 × 100 = 15%
- 02% Difference = 12/86 × 100 ≈ 13.95%
- 03Absolute change = 12
- 04Ratio = 92/80 = 1.15
Questions Fréquentes
What is the difference between percentage change and percentage difference?
Percentage change uses the original value as the denominator (directional). Percentage difference uses the average of both values (symmetric, no direction).
Can percentage change be negative?
Yes, a negative percentage change indicates a decrease. For example, going from 100 to 80 is a -20% change.
What is percentage error?
Percentage error = |experimental - theoretical| / |theoretical| × 100. It measures the accuracy of a measurement against a known standard.
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