Can anyone explain to me in what percentage these organizations gave the salary breakup?

Dear sir/madam thanks in advance can any one explain me on what percentage these organization given the salary breakup.
23rd February 2021 From India, Guntur

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Dear Member,
This salary breakup is not prepared on any fixed percentage. It is merely breakup of monthly 24 K CTC and accordingly the Annual component also calculated.
However, the PF is calculated @ 12 on Rs. 15000 (being PF Wage Ceiling).
23rd February 2021 From India, Delhi

Sir, I want a formula in attendance sheet where I get half day caliculation in today present days. For example 04 days off,25 days present,1day absent and 1 day half day. But in my caliculation it's comes as 30 days insted of 29.5 days.
24th February 2021 From India, Visakhapatnam