Why does my return change from $200 to $28 once I had my second return?

See this TurboTax support FAQ for why the tax refund decreases after you enter the second W-2 - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-refund/refund-drop-entered-second-w-2/L4wmMMBCs_US_en_US?uid=m6csd0x4