percentage change calculator

The answer: the change from 90 to 80 = -11.111111111111% decrease

What is the percentage increase /decrease from V1 to V2 ?

Input fields
Output fields %

Formula:(( 80 - 90 )/90)× 100 = -11.111111111111 %  

Percentage change from 90 to 80?

What's the percentage change from 90 to 80? Is it an increase or a decrease?. This is what we will clarify through the results and charts. As shown below. You can also calculate values other than (90, 80) by using the calculator above or using Percentage change increse/decrease calculator.


90 to 80 decrease in Charts


Solution: What is the percentage change from 90 to 80?

Firstly, to calculate the change from 90 to 80, we use the formula below.

Formula: (Y - X) / X × 100
  • X refers to the number whose change from it, in our example, it's 90.
  • Y refers to the number whose change to it, it's 80.
  • 100 It's 100% (One hundred percent).


Calculation steps

Step 1 = (80 - 90) / 90 × 100

First: we subtract 80 from 90 then divide the result by 90. Second: multiply the result by 100 (one hundred).


Step 2 = (-10) / 90 × 100

80 minus 90 equals -10 . After that, we divide -10 by 90.


Step 3 = -0.11111111111111 × 100

-10 divided by 90 equals -0.11111111111111 , the next step is multiply the result by 100


Step 4 = -11.111111111111% decrease


The resultThe percentage change from 90 to 80? is -11.111111111111% decrease.



Percentage change from 80 to 90?

What is the percentage increase /decrease from V1 to V2 ?

Input fields
Output fields %

Solution for What is the percentage change from 80 to 90:


Calculation steps

Step 1 = (90 - 80) / 80 × 100

We subtract 90 from 80 then divide the result by 80. Second: multiply the result by 100


Step 2 = (10) / 80 × 100

90 minus 80 equals 10 . After that, we divide 10 by 80.


Step 3 = 0.125 × 100

10 divided by 80 equals 0.125 , the next step is multiply the result by 100


Step 4 = 12.5% increase


The resultThe percentage change from 80 to 90? is 12.5% increase.




Related links to: Change from 90 to 80


decrease from 90 to 80 similar calculation

change from 90 to 80?= -11.11%
change from 91 to 80?= -12.09%
change from 92 to 80?= -13.04%
change from 93 to 80?= -13.98%
change from 94 to 80?= -14.89%
change from 95 to 80?= -15.79%
change from 96 to 80?= -16.67%
change from 97 to 80?= -17.53%
change from 98 to 80?= -18.37%
change from 99 to 80?= -19.19%
change from 90 to 81?= -10%
change from 90 to 82?= -8.89%
change from 90 to 83?= -7.78%
change from 90 to 84?= -6.67%
change from 90 to 85?= -5.56%
change from 90 to 86?= -4.44%
change from 90 to 87?= -3.33%
change from 90 to 88?= -2.22%
change from 90 to 89?= -1.11%
change from 90 to 90?= 0%
change from 100 to 90?= -10%
change from 110 to 100?= -9.09%
change from 120 to 110?= -8.33%
change from 130 to 120?= -7.69%
change from 140 to 130?= -7.14%
change from 150 to 140?= -6.67%
change from 160 to 150?= -6.25%
change from 170 to 160?= -5.88%
change from 180 to 170?= -5.56%
change from 190 to 180?= -5.26%