That 13% is $10k in the bottom 10% median individual income they were earning $8,801 in 2022. Which is $1,199 https://dqydj.com/average-median-top-individual-income-percentiles/

90% median individual income is $135,605 in 2023. In 2022 it was 132,676. Which is 2% …but they got $2,929 Same source

98% and 99% saw the largest nominal amount increase. 98% got 13,901 more money between 2022 and 2023 99% got $5,878 more money between 2022 and 2023 Same source.

Obviously $1k for someone making $10k is significant than someone getting $2k making $130k