Free, online percentage calculators

Basic Percentage
CALCULATOR

What is X% of Y?

% of
is
… …
read-only Answer/Result
Hints:
Calculation memos 0

    Original Value
    CALCULATOR

    What is the original value if X% of it equals Z?

    % of
    … …
    read-only Answer/Result
    is
    Entering 0 here causes a division by zero error.
    Hints:
    Calculation memos 0

      Part-to-Whole Percentage
      CALCULATOR

      What percentage of Y is Z?

      … …
      read-only Answer/Result
      of
      is
      Entering 0 here causes a division by zero error.
      Hints:
      Calculation memos 0

        Percentage Change
        CALCULATOR

        What is the percentage change from the Original value to the New value?

        From
        to
        is a change of:
        … …
        read-only Answer/Result
        Entering 0 here causes a division by zero error.
        Hints:
        Calculation memos 0

          Increased Value
          CALCULATOR

          What is the new value after increasing the Original value by the Increase %?

          increased by
          %
          is
          … …
          read-only Answer/Result
          Hints:
          Calculation memos 0

            Original Before Increase
            CALCULATOR

            What was the original value before increasing by Increase % to get New?

            … …
            read-only Answer/Result
            increased by
            %
            is
            Cannot calculate when increase is -100% (division by zero)
            Hints:
            Calculation memos 0

              Decreased Value
              CALCULATOR

              What is the new value after decreasing the Original value by the Decrease %?

              decreased by
              %
              is
              … …
              read-only Answer/Result
              Hints:
              Calculation memos 0

                Original Before Decrease
                CALCULATOR

                What was the original value before decreasing by Decrease % to get New?

                … …
                read-only Answer/Result
                decreased by
                %
                is
                Hints:
                Calculation memos 0

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