Definition

1. Noun:
   • A unit of measure equal to one hundredth of a total, used especially to describe changes in rates or percentages: A "percentage point" is an absolute unit of measurement for differences between percentages. It represents 1% of the whole, but it is distinct from a percent change. It is the arithmetic difference between two percentages.

Usage

• The term "percentage point" is used primarily in statistics, economics, finance, and reporting to express an absolute change or difference. It clarifies whether a change is relative (a percent change) or absolute (a percentage point change).
• Example Context: "The interest rate rose from 5% to 7%. This is an increase of 2 percentage points (not a 2% increase)."

Examples

• Noun:
  • The candidate's approval rating fell by three percentage points in the latest poll. (The rating changed by an absolute amount of 3 out of 100.)
  • An increase from 10% to 15% is a rise of five percentage points, which is a 50 percent increase. (This shows the distinction between the absolute change in points and the relative percent change.)
  • The central bank cut the key rate by a quarter of a percentage point.

Advanced Usage

• Basis Point: In finance, one-hundredth of a percentage point (0.01%) is called a "basis point." This is a more precise unit derived from the percentage point.
  • The yield moved up by 25 basis points (0.25 percentage points).

Variants and Related Words

• Percent (%): A relative measure meaning "per hundred," used to express a proportion. A change in percent is calculated relative to the original value.
• Basis Point (bp): A unit equal to 0.01 percentage point, or one one-hundredth of a percent.

Synonyms

• Absolute percentage change: This phrase can sometimes be used to describe the concept, though "percentage point" is the standard technical term.

Key Distinction (Not an idiom, but a critical clarification)

• Percentage Point vs. Percent: This is the most important distinction. A change of is the simple arithmetic difference. A change of is a relative change based on the original value.
  • If a tax rate increases from 20% to 22%, it has risen by 2 percentage points. This is a 10 percent increase (because 2 is 10% of the original 20).

Noun

1. the dot at the left of a decimal fraction