Percentage Increase Factor — definition?
Multiplier representing percentage increase, 1 + (percentage/100).
Change factor for 15% increase?
1.15.
Sequential increases — method?
Multiply their change factors.
Compound Growth — mechanism?
Repeated percentage increases, exponential effect.
Growth factor for 10%?
1.10.
Final price after discounts?
Original × product of discount factors.
Successive discounts — effect?
Multiplicative reduction, not additive.
Investment growth over time?
Multiply initial by growth factors for each period.
Depreciation — definition?
Reduction in asset value over its useful life.
Asset value after 3 years at 10%?
Initial × (0.90)^3.
Multiplicative change — meaning?
Product of sequential change factors.
Population after 5% increase yearly?
Initial × (1.05)^years.
Tax after discount — sequence?
Apply discount first, then add VAT.
Order effect on final price?
Discount then tax usually lower than tax then discount.
Total percentage change — method?
Multiply change factors, subtract 1, then convert to %.
Key in percentage calculations?
Convert percentages to decimal change factors.
Test your knowledge with 8 questions on Mastering Percentage Changes and Growth Calculations.
1. What is a percentage increase factor?
2. Who is cited as explaining the concept of compound growth calculations in the course content?
Review the complete course in the revision sheet for Mastering Percentage Changes and Growth Calculations.
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