1 Percentage increase/decrease calculator
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# Percentage increase/decrease calculator

 Initial amount: Final amount: Percentage increase/decrease: % Calculation:

 Initial amount: Percentage increase/decrease: % Absolute difference: Final amount: Calculation:

Percentage calculator ►

## Percentage increase/decrease calculation

The percentage increase/decrease from old value (Vold) to new value (Vnew) is equal to the old and new values difference divided by the old value times 100%:

percentage increase/decrease = (Vnew - Vold) / Vold × 100%

#### Example #1

Price percentage increase from old value of \$1000 to new value of \$1200 is caluclated by:

percentage increase = (\$1200 - \$1000) / \$1000 × 100%

= 0.2 × 100% = 20%

#### Example #2

Price percentage decrease from old value of \$1000 to new value of \$800 is caluclated by:

percentage decrease = (\$800 - \$1000) / \$1000 × 100%

= -0.2 × 100% = -20%

## Difference and final value calculation

The difference d is equal to the initial value V0 times the percentage increase/decrease p divided by 100:

d = V0 × p / 100

The final value V1 is equal to the initial value V0 plus the difference d:

V1 = V0 + d

Percentage calculator ►

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##### MATH CALCULATORS
Frequently, when comprehending conditions, the accompanying changes are utilized: Replacement of articulations that are in the left and right sides of the condition, indistinguishably equivalent articulations. Adding a similar number to the two sides of the condition or subtracting a similar number from the two sides of the condition. Adding to the two sides of the condition of a similar articulation or subtracting from the two sides of the condition of a similar articulation. The exchange of the term starting with one piece of the condition then onto the next with the sign changed to the inverse. Increase or separation the two sides of the condition by the equivalent non-zero number. Augmentation or division of the two sides of the condition by a similar articulation.

Users write Now: Santa Klaus • 2 years ago Please explain why the subtotal is needed? Then I should, from a long example with the signs of multiplication and addition, also determine what needs to be added.

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