# Percentage decrease from 100 to 80

Calculate the percentage decrease from 100 to 80 by using the Percentage Decrease Calculator and get the detailed step-by-step process with an exact answer.

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## What is the Percentage decrease from 100 to 80?

Here are the simple steps to know how to calculate the percentage decrease from 100 to 80.
Firstly, we have to note down the observations.

Original value =100, new value = 80
Use the percentage decrease formula percentage decrease = [(old value - new value)/ old value] x 100
Substitute the values in the above formula and solve.
percentage decrease = [(100 - 80)/100] x 100
= [20/100] x 100
= 20.0
Therefore, 20.0% is the percent decrease from 100 to 80.

### Percentage decrease from 100

Percentage decrease X Y
1% 100 99.000
2% 100 98.000
3% 100 97.000
4% 100 96.000
5% 100 95.000
6% 100 94.000
7% 100 93.000
8% 100 92.000
9% 100 91.000
10% 100 90.000
11% 100 89.000
12% 100 88.000
13% 100 87.000
14% 100 86.000
15% 100 85.000
16% 100 84.000
17% 100 83.000
18% 100 82.000
19% 100 81.000
20% 100 80.000
21% 100 79.000
22% 100 78.000
23% 100 77.000
24% 100 76.000
25% 100 75.000
26% 100 74.000
27% 100 73.000
28% 100 72.000
29% 100 71.000
30% 100 70.000
31% 100 69.000
32% 100 68.000
33% 100 67.000
34% 100 66.000
35% 100 65.000
36% 100 64.000
37% 100 63.000
38% 100 62.000
39% 100 61.000
40% 100 60.000
41% 100 59.000
42% 100 58.000
43% 100 57.000
44% 100 56.000
45% 100 55.000
46% 100 54.000
47% 100 53.000
48% 100 52.000
49% 100 51.000
50% 100 50.000
Percentage decrease X Y
51% 100 49.000
52% 100 48.000
53% 100 47.000
54% 100 46.000
55% 100 45.000
56% 100 44.000
57% 100 43.000
58% 100 42.000
59% 100 41.000
60% 100 40.000
61% 100 39.000
62% 100 38.000
63% 100 37.000
64% 100 36.000
65% 100 35.000
66% 100 34.000
67% 100 33.000
68% 100 32.000
69% 100 31.000
70% 100 30.000
71% 100 29.000
72% 100 28.000
73% 100 27.000
74% 100 26.000
75% 100 25.000
76% 100 24.000
77% 100 23.000
78% 100 22.000
79% 100 21.000
80% 100 20.000
81% 100 19.000
82% 100 18.000
83% 100 17.000
84% 100 16.000
85% 100 15.000
86% 100 14.000
87% 100 13.000
88% 100 12.000
89% 100 11.000
90% 100 10.000
91% 100 9.000
92% 100 8.000
93% 100 7.000
94% 100 6.000
95% 100 5.000
96% 100 4.000
97% 100 3.000
98% 100 2.000
99% 100 1.000
100% 100 -0.000

### Percentage decrease from 80

Percentage decrease Y X
1% 80 79.200
2% 80 78.400
3% 80 77.600
4% 80 76.800
5% 80 76.000
6% 80 75.200
7% 80 74.400
8% 80 73.600
9% 80 72.800
10% 80 72.000
11% 80 71.200
12% 80 70.400
13% 80 69.600
14% 80 68.800
15% 80 68.000
16% 80 67.200
17% 80 66.400
18% 80 65.600
19% 80 64.800
20% 80 64.000
21% 80 63.200
22% 80 62.400
23% 80 61.600
24% 80 60.800
25% 80 60.000
26% 80 59.200
27% 80 58.400
28% 80 57.600
29% 80 56.800
30% 80 56.000
31% 80 55.200
32% 80 54.400
33% 80 53.600
34% 80 52.800
35% 80 52.000
36% 80 51.200
37% 80 50.400
38% 80 49.600
39% 80 48.800
40% 80 48.000
41% 80 47.200
42% 80 46.400
43% 80 45.600
44% 80 44.800
45% 80 44.000
46% 80 43.200
47% 80 42.400
48% 80 41.600
49% 80 40.800
50% 80 40.000
Percentage decrease Y X
51% 80 39.200
52% 80 38.400
53% 80 37.600
54% 80 36.800
55% 80 36.000
56% 80 35.200
57% 80 34.400
58% 80 33.600
59% 80 32.800
60% 80 32.000
61% 80 31.200
62% 80 30.400
63% 80 29.600
64% 80 28.800
65% 80 28.000
66% 80 27.200
67% 80 26.400
68% 80 25.600
69% 80 24.800
70% 80 24.000
71% 80 23.200
72% 80 22.400
73% 80 21.600
74% 80 20.800
75% 80 20.000
76% 80 19.200
77% 80 18.400
78% 80 17.600
79% 80 16.800
80% 80 16.000
81% 80 15.200
82% 80 14.400
83% 80 13.600
84% 80 12.800
85% 80 12.000
86% 80 11.200
87% 80 10.400
88% 80 9.600
89% 80 8.800
90% 80 8.000
91% 80 7.200
92% 80 6.400
93% 80 5.600
94% 80 4.800
95% 80 4.000
96% 80 3.200
97% 80 2.400
98% 80 1.600
99% 80 0.800
100% 80 -0.000

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### FAQs on Percent decrease From 100 to 80

1. How much percentage is decreased from 100 to 80?

The percentage decrease from 100 to 80 is 20.0%.

2. How to find the percentage decrease from 100 to 80?

The To calculate the percentage difference from 100 to 80, you have to place the old and new values in the percentage decrease formula and solve..

3. How to find percentage change from 100 to 80 on a calculator?

Enter 100 as the old value, 80 as the new value in the input fields of the percentage decrease calculator and press the calculate button to obtain the result i.e 20.0%.