Question 1

What is a percentage?

Accepted Answer

A percentage is a way to express a number as a fraction of 100. It is often denoted using the percent sign (%).

Question 2

How is percentage calculated?

Accepted Answer

To calculate X% of Y, use the formula: (X/100) × Y. For example, 20% of 100 is (20/100) × 100 = 20.

Question 3

What does percentage increase mean?

Accepted Answer

Percentage increase measures how much a value has grown relative to its original amount. It is calculated as ((new - old)/old) × 100.

Question 4

Can this calculator handle negative percentages?

Accepted Answer

Yes, you can enter negative percentages to calculate percentage decreases or discounts.