How to Calculate Percentage Change
Learn how to calculate percentage change using the formula: percentage change = (change ÷ original) × 100. Let’s get started! 🚀
Video Lesson
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Flashcards
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🛎️ How to Calculate Percentage Change?
- Percentage change is found by dividing the change by the original value and multiplying by 100.
- The change is the new value minus the original value.
🛎️ Percentage Change Examples
- If the final answer is positive, it is a percentage increase.
- If the final answer is negative, it is a percentage decrease.
🛎️ Practising Percentage Decrease
- A percentage decrease happens when the new value is smaller than the original value.
- The percentage shows how much the value has decreased from the start.
🛎️ Applying Percentage Change to Data
- Always identify the new value and original value first before calculating.
- Exam tip: always divide by the original value, not the new one.
Practice Questions
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Interactive Activity
Build the percentage change formula by selecting the correct values to fill the blanks
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