Percent of Change Concepts

Which formula correctly calculates the percent of change?

• (New Number - Old Number) / New Number × 100

• (Old Number - New Number) / Old Number × 100

• (New Number - Old Number) / Old Number × 100

• (Old Number - New Number) / New Number × 100

What does a negative percentage result indicate when calculating the percent of change?

• An increase in value

• A decrease in value

• No change in value

• An error in calculation

What is the percent of change when a number changes from 50 to 34?

• 32% increase

• 16% decrease

• 32% decrease

• 16% increase

What is the percent of change when a number changes from 10 to 22?

• 120% increase

• 12% increase

• 120% decrease

• 12% decrease