# Online Calculators & Tools

## Percentage Calculator or converter

 What is % of ?
 is what percent of ? %
 is % of what?
 What is the percentage change from to ? %
 Percent: Fraction: Decimal: %

## Percentage Formula and calculatoin with example

Although the percentage formula can be written in different forms, it is essentially an algebraic equation involving three values.

## Percentage calculations and method

#### Percentage of a value calculation

What is 20% of \$60?

20% is mutiplied by \$60:

20% × \$60 = (20/100) × \$60 = 0.2 × \$60 = \$12

#### Percentage calculation

\$12 is what percent of \$60?

\$12 is divided by \$60 and multiplied by 100%:

(\$12 / \$60) × 100% = 20%

#### Whole value calculation

\$12 is 20% of what?

\$12 is divided by 20%:

\$12 / 20% = (\$12 / 20) × 100 = \$60

#### Percentage change calculation

What is the percentage change from \$40 to \$50?

The difference between \$50 and \$40 is divided by \$40 and multiplied by 100%:

[(\$50 - \$40) / \$40] × 100% = 0.25 × 100% = 25%