__Perecentage Increase =__**EG1) Increase 210 cm by 30%**

**You do:**

100% + 30% = 130%

130 divided by 100 = 1.3

210 x 1.3 = 273

100% + 30% = 130%

130 divided by 100 = 1.3

210 x 1.3 = 273

**273 cm**

EG2) Increase 600g by 14.5%

EG2) Increase 600g by 14.5%

**You do :**

100% + 14.5% = 114.5 %

114.5 divided by 100 = 1.145

600 x 1.145 = 687

100% + 14.5% = 114.5 %

114.5 divided by 100 = 1.145

600 x 1.145 = 687

**687g**

**Percentage Deccrease =**

**EG1) Decrease 50m by 60%**

**You do:**

100% - 60% = 40%

40 divided by 100 = 0.4

50 x 0.4 = 20

100% - 60% = 40%

40 divided by 100 = 0.4

50 x 0.4 = 20

**20m**

EG2) Decrease 700cm by 60%

EG2) Decrease 700cm by 60%

**You do:**

100% - 60% = 40%

40 divided by 100 = 0.4

700 x 0.4 = 280

100% - 60% = 40%

40 divided by 100 = 0.4

700 x 0.4 = 280

**280cm**

**Questions**

**1. Increase 32g by 25%**

2. Decrease 32g by 25%

3. Increase 540m by 4%

4. Decrease 540m by 4%

5. Decrease 8000kg by 6.5%

6. Increase £2,500 by 25%, 80%, 11% and 3%

2. Decrease 32g by 25%

3. Increase 540m by 4%

4. Decrease 540m by 4%

5. Decrease 8000kg by 6.5%

6. Increase £2,500 by 25%, 80%, 11% and 3%