Percentage Calculator Online – Free Percentage Tools & Formulas 2024

Basic Percentage Calculator

Calculate the percentage of a number – perfect for calculating discounts, tips, and more.

% of
0

Find Percentage Calculator

Find what percentage one number is of another – useful for test scores and ratios.

0%

Increase/Decrease Calculator

Increase or decrease a value by a percentage – perfect for price changes and salary adjustments.

0

Percentage Difference Calculator

Calculate the percentage difference between two values – compare prices, measurements, and more.

0%

Percentage Change Calculator

Calculate percentage increase or decrease – track growth, inflation, and performance changes.

0%

Percentage Points Calculator

Calculate percentage points difference – essential for statistics, polls, and financial analysis.

0 percentage points

Reverse Percentage Calculator

Find the original value from a percentage – useful for reverse calculations and finding original prices.

0

Percentage to Fraction Calculator

Convert percentage to fraction – helpful for mathematical conversions and educational purposes.

0

Understanding Percentages – Complete Guide

What is a Percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign “%”. Percentages are widely used in everyday life for calculating discounts, interest rates, statistics, and more.

For calculushub, 35% is equivalent to 35/100 or 0.35. Understanding percentages is essential for financial planning, academic success, and daily calculations.

Basic Percentage Formulas

The basic percentage formula is:

Percentage = (Value / Total Value) × 100

Or to find the value:

Value = (Percentage / 100) × Total Value

Percentage Change Formula

Percentage change measures the degree of change over time and is calculated as:

% Change = [(New – Original) / Original] × 100

A positive result indicates an increase, negative indicates a decrease.

Percentage Difference Formula

Percentage difference compares two values without direction and is calculated as:

% Difference = (|Value1 – Value2| / Average) × 100

Where Average = (Value1 + Value2) / 2.