How to decrease the number - 16
by 300% of its value?
Value of Percentage Decrease. New Value
- A percentage value is nothing but a fraction with a denominator of 100:
- 300% = 300/100 = 300 ÷ 100 = 3
- ...
- To decrease a negative number, don't subtract from it, but add to it the 'Value of Percentage Decrease'.
- To decrease a positive number, subtract from it the 'Value of Percentage Decrease'.
- ...
Value of Percentage Decrease =
Percentage of the Decrease % × The original value =
300% × - 16
New Value =
The original value - Value of Percentage Decrease =
- 16 + (300% × - 16)
1. Calculate the End Value
decreased by a percentage of its Initial Value
End Value =
- 16 + Value of Percentage Decrease =
- 16 + (300% × - 16) =
- 16 + 300% × - 16 =
(- 16 is a common factor)
(1 + 300%) × - 16 =
(100% + 300%) × - 16 =
400% × - 16 =
400 ÷ 100 × - 16 =
400 × - 16 ÷ 100 =
- 6,400 ÷ 100 =
- 64
2. Value of Percentage Decrease
It can be calculated in two ways.
The first method:
Value of Percentage Decrease =
Percentage of the Decrease % × The original value =
300% × - 16
The second method:
Value of Percentage Decrease =
The original value - New Value
Value of Percentage Decrease =
48
The end value: - 16 decreased by 300% percent = - 64
Value of Percentage Decrease = 48