Mathematics for IGCSE & O level - Percentages (Section 4 - No. 22)
Which of these are true about a percentage?
A percentage can never be more than 100.
A percentage represents a portion of a whole.
Percentages are always relative to 100.
A percentage is often used to make comparisons.
Giải thích
Percentages do represent a part of a whole, use 100 as a comparison, and are useful in comparisons.