Lesson 6-8 Pages Percent of Change

What you will learn! 1. How to find percent of increase. 2. How to find percent of decrease.

Percent of change Percent of increase Percent of decrease

What you really need to know! A percent of change tells how much an amount has increased or decreased in relation to the original amount.

Example 1: Find the percent of change from 325 to 390.

Example 2: In 1965, when John entered college, the tuition was $7,500. In 2000, when his daughter went to the same school, the tuition was $25,500. Find the percent of change.

Example 3: Which country had the least percent of increase in population from 1990 to 2000? Country Breckinridge16,31218,648 Bracken7,7668,279 Calloway30,73534,177 Fulton8,2717, %6.6% 11.2% -6.3%14.3%6.6% 11.2% -6.3%

Example 4: A $110 sweater is on sale for $88. What is the percent of change?

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Lesson Check 6-8