How to decrease the number 24
by 1.5% of its value?
Value of Percentage Decrease. New Value
- A percentage value is nothing but a fraction with a denominator of 100:
- 1.5% = 1.5/100 = 1.5 ÷ 100 = 0.015
- ...
- To decrease a positive number, subtract from it the 'Value of Percentage Decrease'.
- To decrease a negative number, don't subtract from it, but add to it the 'Value of Percentage Decrease'.
- ...
Value of Percentage Decrease =
Percentage of the Decrease % × The original value =
1.5% × 24
New Value =
The original value - Value of Percentage Decrease =
24 - (1.5% × 24)
1. Calculate the End Value
decreased by a percentage of its Initial Value
End Value =
24 - Value of Percentage Decrease =
24 - (1.5% × 24) =
24 - 1.5% × 24 =
(24 is a common factor)
(1 - 1.5%) × 24 =
(100% - 1.5%) × 24 =
98.5% × 24 =
98.5 ÷ 100 × 24 =
98.5 × 24 ÷ 100 =
2,364 ÷ 100 =
23.64
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 =
1.5% × 24
The second method:
Value of Percentage Decrease =
The original value - New Value
Value of Percentage Decrease =
0.36
The end value: 24 decreased by 1.5% percent = 23.64
Value of Percentage Decrease = 0.36