Numbers and algebra
Percentage
A dimensionless ratio expressed as a number of parts per hundred, allowing proportions with different totals to be compared.
In one sentence
What does Percentage mean?
A dimensionless ratio expressed as a number of parts per hundred, allowing proportions with different totals to be compared.
How it is written
percentage = part/whole × 100%
A compact example
15 out of 60 is 25% because 15÷60×100=25.
Other names and search terms
percent.
Where this fits
When should you learn Percentage?
The first encounter is not the final level. Many ideas begin visually, become computational in high school and become formal in college.
- 1Pre-high schoolUsually introduced
- 2High schoolGreater depth
- 3CollegeGreater depth
- 4AdvancedGreater depth
- Arithmetic
- Algebra
- Basic arithmetic
- Equations
- Functions
- Precalculus
Algebra is part of the calculation language used throughout the path.
Open the Zero-to-QM pathClear answers
Questions about Percentage
What does Percentage mean in mathematics?
A dimensionless ratio expressed as a number of parts per hundred, allowing proportions with different totals to be compared.
How is Percentage written?
A common notation is percentage = part/whole × 100%.
What is an example of Percentage?
15 out of 60 is 25% because 15÷60×100=25.