1. Select whether you want a percentage increase or decrease by clicking on the appropriate box.[br]2. Click on the "Question" box if you wish to use a provided question.[br]3. Type in the amount representing 100% in the "Total" box.[br]4. Type in the "percentage change" box the required value to highlight this amount.[br]5. Move the slider to the right to 'shift' this amount to the other end of the bar.[br]6. Click on "Show change" box to highlight the new amount.[br]7. Check the solution if you used the provided question by clicking on "Solution" box.[br]8. Click on the "Reset" button to start again and get a new question.