Percentage Increase the Number 1,080 by 20% Percent of Its Value and Calculate the Actual Change of the Variation. Online Calculator

Percentage increase number 1,080 by 20% (percent) of its value and calculate the actual change (the absolute difference of variation)

How to increase the number 1,080 by 20% of its value?

A percentage value is nothing but a fraction with a denominator of 100:

20% = 20/100 = 20 ÷ 100 = 0.2

To increase a positive number add the 'Value of Percentage Increase' to it.

To increase a negative number, don't add to it, but subtract from it the 'Value of Percentage Increase'.

Value of Percentage Increase =

Percentage of the Increase % × The original value =

20% × 1,080

New Value =

The original value + Value of Percentage Increase =

1,080 + (20% × 1,080)

1. Calculate the New Value of the number...
... increased by percentage of its initial value

New Value =

1,080 + Value of Percentage Increase =

1,080 + (20% × 1,080) =

1,080 + 20% × 1,080 =

(1 + 20%) × 1,080 =

(100% + 20%) × 1,080 =

120% × 1,080 =

120 ÷ 100 × 1,080 =

120 × 1,080 ÷ 100 =

129,600 ÷ 100 =

1,296

2. Calculate the Actual Change (Absolute Difference)...
... between the New Value and the initial one

Actual Change =

New Value - 1,080 =

1,296 - 1,080 =

216

1,080 increased by 20% of the value = 1,296
The actual change:
1,296 - 1,080 = 216

The symbols used: % percent, ÷ division, × multiplication, = the equal sign, / the fraction bar, ≈ approximately the same. Writing numbers: comma ',' - as a thousands separator, point '.' as a decimal mark.

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Increase numbers by percentage of their initial value and calculate the absolute percentage change (difference). Examples

How to calculate the new value of a number when increasing it by percentage of its initial value and how to calculate the absolute percentage change (difference)?

  • New value = Initial value + Absolute percentage change (difference)
  • Absolute percentage change (difference) = Percentage increase % × Initial value
  • => New value = Initial value + Percentage increase % × Initial value = (1 + Percentage increase %) × Initial value
  • In conclusion:

    New value = (1 + Percentage increase %) × Initial value

    Initial value = New value / (1 + Percentage increase %)

    Absolute percentage change (difference) = Percentage increase % × Initial value = New value - Initial value

Four examples of calculations below.

  • How to increase a number by percentage of its initial value (percentage increase).
  • How to calculate the absolute percentage change (difference):

Example 1:

  • If Percentage increase % = 20%, (1 + Percentage increase %) = 1 + 20% = 100/100 + 20/100 = 120/100 = 1.20 =>
  • Number increased by value percentage = 1.20 × Initial value, and Initial value = Number increased by value percentage / 1.20; Absolute percentage change = New value - Initial value;

Example 2:

  • If Percentage increase % = 5%, (1 + Percentage increase %) = 1 + 5% = 100/100 + 5/100 = 105/100 = 1.05 =>
  • Number increased by value percentage = 1.05 × Initial value, and Initial value = Number increased by value percentage / 1.05; Absolute percentage change = New value - Initial value;

Example 3:

  • If Percentage increase % = 124%, (1 + Percentage increase %) = 1 + 124% = 100/100 + 124/100 = 224/100 = 2.24 =>
  • Number increased by value percentage = 2.24 × Initial value, and Initial value = Number increased by value percentage / 2.24; Absolute percentage change = New value - Initial value;

Example 4:

  • If Percentage increase % = -8%, (1 + Percentage increase %) = 1 - 8% = 100/100 - 8/100 = 92/100 = 0.92 =>
  • Number increased by value percentage = 0.92 × Initial value, and Initial value = Number increased by value percentage / 0.92; in this case we have in fact a decreasing of the value of the number; Absolute percentage change = New value - Initial value.