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Question
Table: Staff count | Dept | 2023 | 2024 | | HR | 45 | 50 | | IT | 80 | 72 | | Sales | 120 | 135 | Total staff change from 2023 to 2024?
Answer
ā **+12** 2023: 45 + 80 + 120 = 245 2024: 50 + 72 + 135 = 257 Change: 257 - 245 = **+12** š” Add columns first, then compare. Don't calculate each row's change separately.
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