Question
A software company had 'p' lines of code in their codebase in 2019. It increased by 30% in 2020 and then by another 20% in 2021. In 2022, the lines of code were reduced by 50%. If in 2019, the percentage of bugs in the code was 15% and in 2022 it is 25%, then what is the percentage change in the number of bugs during this period?
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