Percentage Calculator

Instantly calculate percentages or paste rows directly from Excel/Sheets to auto-compute columns.

Instant Percentage Calculator

Value A

Value B

Computed Results

Percentage Change-

Percentage Increase-

Percentage Decrease-

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Flagship Feature

Excel & Sheets Paste Tool

Paste structured tabular data from spreadsheet editors (like Excel, Google Sheets, or Numbers). Auto-detect values and dynamically append custom percentage-change columns.

Paste your data grid here (Ctrl+V)

Privacy notice: All calculations are performed inside your browser. No data is sent to our servers.

Select base value column:

Export and Actions

Everyday Percentage Calculators

Percentage Increase Calculator

Find the percentage growth from one number to another.

Percentage Decrease Calculator

Calculate the percentage drop or decrease between two values.

Percentage of a Number Calculator

Calculate what X% of Y is.

Percentage Difference Calculator

Compare two positive numbers and compute the percentage difference relative to their average.

Reverse Percentage Calculator

Find the original value before a percentage increase or decrease was applied.