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 ►

 


See also
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Proportionate Equations and Corollary Equations - There are changes of conditions that enable one to go from the condition to be tackled to the alleged identical conditions and outcome conditions, by the arrangements of which it is conceivable to decide the arrangement of the first condition. In this article, we will break down in detail which conditions are called proportionate and which conditions are outcomes, give the fitting definitions, give illustrative models and disclose how to discover the foundations of the condition from the known underlying foundations of the comparable condition and condition result.

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