Using Percentages in Statistics

Calculate the percentage points and percent change.

A company's market share went from 50 to 65 percent of the total market.

Of the following choices, which two statements about the company's market shares are true?

• a.)Market shares rose by 15 percentage points.
• b.)Market shares rose by 30 percentage points.
• c.)There was a 23% increase in market shares.
• d.)There was a 15% increase in market shares.
• e.)Market shares rose by 23 percentage points.
• f.)There was a 30% increase in market shares.