Central Board Of Secondary Education [CBSE] — Wrong calculation in obtain mark of subject Accountancy (055) year 2021

Basis on Class X and XI mark sheet i have calculated my numbers and match with the obtain marks major difference found in accountancy, i got only 23 marks even though 10th & 11th marks is 25.66 unable to understand how is minus scoring done results i got compartment in this subject it's strange to me and my future.

for the reference below is the calculation

Subject Class X 30% Class XI 30% Class XII 40% Total

English 12.70 7.95 28.35 49.00
Economics 12.70 8.16 13.14 34.00
PE 12.70 9.90 12.40 35.00
Business 12.70 8.70 18.60 40.00
Accounts 12.70 12.96 -2.66 23.00

requesting you please advise how matter to be resolve.

Thanks

Sadaf Khan