Net income was $500,000 in 2023,$470,000 in 2024 , and $512,300 in 2025 . What is the percentage of change (a) from 2023 to 2024 , and (b) from 2024 to 2025 ? Is the change an increase or a decrease? (If amount and percentage are o decrease show the numbers as negative, eg 55,000,20% or (55,000),(20%). Round percentages to 0 decimal places, eg. 12%)