Let the number of male employees in 2023 and female employees in 2022 is 8n and 3n respectively.
Number of female employees in 2023 = 8n - 15
Total number of female employees in 2022 and 2023 together = 40
3n + 8n - 15 = 40
11n = 55
n = 5
Total number of male and female employees, who join the company in 2022 and 2023 together = 100
Number of male employees in 2022 = 100 - 8*5 - 40 = 20
In tabular form -
| Employees | 2022 | 2023 |
| Male | 20 | 40 |
| Female | 15 | 25 |
Number of female employees in 2023 = 25
Number of male employees in 2022 = 20
Required percentage = [(25 - 20)/20]*100 = 25%
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