1. ALG111 INCREASE PERCENT OF CHANGE Percent increase is a measure of percent the something gains in value. From 10 to 15 is an increase. What is the percent of change? 10 – 15 = 5 Divide increase by original amount. 5 10 Increase of 5. = 0.5 50% increase Multiply by 100. Amount Changed Original Amount

2. ALG111 INCREASE PERCENT OF CHANGE From 18 to 40 is an increase. What is the percent of change? 40 – 18 = 22 Divide increase by original amount. 22 18 Increase of 2. = 1.22 122% increase Multiply by 100. What is the percent of change from $24 to $32? 32 – 24= 8 Divide increase by original amount. 8 24 Increase of $8. = 0.33 33% increase Multiply by 100.

3. ALG111 INCREASE PERCENT OF CHANGE YOUR TURN!! Answers on the last slide. Ex 2) What is the percent of change from 160 to 190? Ex 1) From $9 to $12 is an increase. What is the percent of change?

4. ALG111 INCREASE PERCENT OF CHANGE ANSWERS!! Ex 2) 87.5% increase Ex 1) 33% increase