Net income was $$516,500$ in $2020,$$$485,510$ in $2021,$ and $$534,061$ in $2022.$ What is the percentage of change from $($a$)2020$ to $2021,$ and $($b$)$ from $2021$ to $2022?$ Is the change an increase or a decrease? $($If amount and percentage are a decrease show the numbers as negative, e$.$g$.-55,000,-20\%$ or $(55,000),(20\%).$ Round percentages to $0$ decimal places, e$.$g$.12\%.)$