Percentage Calculator - Calculate Percentages & Ratios
Calculate percentages, percentage increase/decrease, percentage difference, and reverse percentages.
Aperçu direct et capacités :Numvax Percentage Calculator solves 6 percentage modes live: what is X% of Y, X is what % of Y, percentage increase/decrease, percentage difference, and reverse percentage calculations with interactive visual progress rings.
Combien vaut X% de Y ?
20 %
Drag slider or use - / + steppers to adjust value X.%
150
Drag slider or use - / + steppers to adjust value Y.Type or slide (0–2000)
Formule de calcul en direct :Adjust values above to see live step-by-step mathematical breakdown.
Anneau de progression et analyse
Enter percentage parameters to render the visual progress ring.
À propos de la Percentage Calculator - Calculate Percentages & Ratios
A percentage represents a fraction or proportion out of 100. Percentage calculations allow easy comparison of financial growth, price discounts, tax rates, and statistical proportions.
Common Percentage Formulas
X% of Y = (X / 100) × Y
X is what % of Y = (X / Y) × 100
% Change (X → Y) = [(Y - X) / X] × 100
Exemples détaillés étape par étape
Calculate 20% of $150
Result = (20 / 100) × 150 = 0.20 × 150 = $30.00
Calculate Percentage Increase ($50 to $65)
Increase = [(65 - 50) / 50] × 100 = (15 / 50) × 100 = 30% increase
Foire aux questions
How do I calculate a percentage increase?
Subtract the original value from the new value, divide by the original value, and multiply by 100.