CALCULATOR GUIDE
Percentage, Interest and Everyday Calculations
A few simple calculation methods are useful for marks, prices, rates, comparisons and everyday financial decisions.
PRACTICAL GUIDE
What to consider
Use this guide as a starting framework. Requirements, rules and opportunities can change, so verify important current information with the relevant official or authoritative source.
1. PercentagePercentage expresses a value relative to 100 and is useful for marks, discounts, growth and comparisons.
2. Percentage changePercentage increase or decrease compares the difference with the original value.
3. Simple interestSimple interest is calculated on the original principal for the specified period.
4. Compound interestCompound interest applies interest to the accumulated amount, so the growth can accelerate over time.
5. Check the inputsA correct formula cannot compensate for an incorrect principal, rate, period or unit.
CONTINUE WITH PLATEABLE
Plateable's Student Hub and Calculator sections provide practical calculators for common calculations.
Move from the explanation to a practical Plateable tool.