This is already on a computer system and the values are correct. I want to know the equation for the third image. please not that the system is not calculating in percentage. Also could you please show step by step thank you

1. how did they find that dst1 and dst 2 is the same growth amount as the second image.
2. also how to find dst 2 from the third image.
3. how could it be done in excel

Thank you

10024.4048=11.71>24.4011.71=12.69 10024.4053=12.93>24.4012.93=11.47