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Percentage and Decimal Review definitions

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  • Percentage Change
    Represents how much a value has increased or decreased, expressed as a percent of its original amount.
  • Formula
    A mathematical expression used to calculate the relationship between values, such as percent change.
  • Original Value
    The starting amount used as a reference point for measuring changes.
  • New Value
    The updated amount after a change has occurred, used to compare against the original.
  • Change in X
    The difference between the updated and starting amounts for a variable.
  • Sales Revenue
    Total income generated from sales, often used to measure business performance.
  • Decimal
    A numerical representation with a point separating whole numbers from fractional parts.
  • Percent
    A way of expressing a number as a fraction of 100, often used to show proportions.
  • Practice Exercise
    An activity designed to reinforce understanding and application of concepts.
  • Reference Point
    A baseline value used for comparison when calculating changes.
  • Increase
    A rise in value, often measured to determine growth or improvement.
  • Decrease
    A reduction in value, used to assess losses or declines.
  • Calculation
    The process of determining a numerical result using mathematical operations.
  • Fraction
    A numerical expression representing a part of a whole, often used in formulas.
  • Conversion
    The process of changing a value from one form, such as decimal, to another, like percent.