What is % of ?

You want to know the answer to this question: What is 80 percent of 100? Here is a very simple step-by-step guide to find out. This type of percentage calculation is most commonly used if you try to determine the tip, for example, in a restaurant.

1. We use the following formula: \(\text{Percentage of a value}\) = \(X \cdot P\%\)

2. \(X = 100\)

3. \(P\% = 80\)

4. \(100 \cdot 80\%\) = \(100 \cdot 0.8\) = \(80\)

Use the percentage calculator to solve other similar percentage calculation questions. Would you like to use another calculation? Just click and you will see the result of the percentage calculation immediately:

Percentage Calculator Examples

» What is 5% of 100?

» What is 10% of 100?

» What is 15% of 100?

» What is 20% of 100?

» What is 25% of 100?

» What is 30% of 100?

» What is 35% of 100?

» What is 40% of 100?

» What is 45% of 100?

» What is 50% of 100?

» What is 55% of 100?

» What is 60% of 100?

» What is 65% of 100?

» What is 70% of 100?

» What is 75% of 100?

» What is 80% of 100?

» What is 85% of 100?

» What is 90% of 100?

» What is 95% of 100?

» What is 100% of 100?

» What is 80% of 101?

» What is 80% of 102?

» What is 80% of 103?

» What is 80% of 104?

» What is 80% of 105?

» What is 80% of 106?

» What is 80% of 107?

» What is 80% of 108?

» What is 80% of 109?

» What is 80% of 110?

» What is 80% of 111?

» What is 80% of 112?

» What is 80% of 113?

» What is 80% of 114?

» What is 80% of 115?

» What is 80% of 116?

» What is 80% of 117?

» What is 80% of 118?

» What is 80% of 119?

» What is 80% of 120?