Count number of students depanding on their score.

hello,
i have 2 columns
A and B
In column A is Students and in the B is their results in exam.

Michelle 40
John 25
Shiela 39
Jason 100
Jem 67
Ronald 0
Frances 85

so i want to know how many % of students got a score 0-10 , 20-30; and etc.
for example 10% of students got score 0-10,
20% of students got a score 10-20,

and i want to count this procent with formula and Can anyone help me?

Please try this logic.
Note: You can modify the range (From & to) according to your requirement.

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