This is an original preparation plan, not a new examination announcement. Check dates, stages, eligibility and application instructions in the issuing authority’s current notice.
01 / UNDERSTANDING
Plan your preparation
Place percentage work before data interpretation and interest drills. Review base errors separately from calculation errors so the next short practice block addresses the actual weakness.
02 / UNDERSTANDING
The concept in context
A percentage change measures a difference relative to a specified starting value. Divide the change by that base, then multiply by 100. The words more than, less than and compared with identify the reference quantity; overlooking those words can turn correct arithmetic into an answer to the wrong question.
03 / UNDERSTANDING
A worked learning case
Original educational case. A practice branch has 200 new accounts in one month. Openings rise by 20% to 240, then fall by 20% to 192. The second change removes 48 accounts rather than the first increase of 40. The final figure is eight below the starting value, a net decrease of 4%, despite the equal percentage labels.
ORIGINAL EDUCATIONAL PRACTICE
Try it before you check.
Original practice: A quantity rises from 80 to 100. What is the percentage increase?
Show the answer and reasoning
25%.
The increase is 20 and the starting base is 80. Dividing 20 by 80 gives one quarter, or 25%. Dividing by the final value of 100 would instead answer what proportion the increase represents of the final amount, which is a different comparison from percentage growth.
Two traps to watch for.
- Using the final value as the growth denominator.
- Adding successive percentages as if their bases never change.
YOUR TOPIC-SPECIFIC LEARNING MAP
Build your next study session
Circle the comparison base.
Convert each change into a multiplier.
Check a result using an initial value of 100.
Explain the idea, apply it to a new situation, then check what changed in your reasoning.
BANKERS TUTORIAL · SOURCE NOTES
Keep the source alongside your notes.
Official links provide subject context and authoritative reference material. This guide’s explanation, scenario and question are original Bankers Tutorial learning content.
- sbi.bank.in https://sbi.bank.in/web/careers/current-openings
- sbi.bank.in https://sbi.bank.in/webfiles/uploads/files_2627/09/SBI_JA-Customer_Support_Sales-IH_Pre-2026-27_Eng.pdf
For SBI preparation, check the current official notice before relying on changing dates, rules or examination requirements.
