526. Howrah

All India Trinamool Congress held the seat; the winning margin widened from 3.8% to 17.5%.

• Won on a lower shareIts own vote share fell 4.6% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 69.3% between them, down from 92.3% — the field split more ways.

Written from the constituency figures by a fixed set of rules — no language model.