Mean & statistics
Understand your data: mean, median and spread.
MATHPercentage calculator
Calculate proportions, increases, decreases and changes between values.
Your starting point
Apply to prices, discounts and taxes
Your result
Editable example; you have not calculated your own inputs yet.
Result20
View full table · 1 rows
| Item | Value |
|---|---|
| Result | 20 |
Method and assumptions
Percentage of an amount: base × percentage / 100. Increases and decreases: base × (1 ± percentage / 100).
Change = (second value − base) / absolute base × 100. Ratio = second value / base × 100.
What if you change the plan?
Keep this result, change your inputs and compare.