We can see that delegator '0xc0583df0d10c2e87ae1873b728a0bda04d8b660c' has removed his delegation of 5000 MKR from '0xafaff1a605c373b43727136c995d21a7fcd08989' and 3000 MKR each from '0xb0b829a6aae0f7e59b43391b2c8a1cfd0c801c8c', '0x45127ec92b58c3a89e89f63553073adcaf2f1f5f' and '0x4d3ac33ab1dd7b0f352b8e590fe8b62c4c39ead5' during the last hour of voting.
These addresses have decreased Yes votes by 11,000 and Abstain by 3000 in Poll IDs 819 and 822.
The same delegator has also delegated 4000, 3000, 4000 and 7000 MKR tokens to '0xcdb792c14391f7115ba77a7cd27f724fc9ea2091', '0x2c511d932c5a6fe4071262d49bfc018cfbaaa1f5', '0x84b05b0a30b6ae620f393d1037f217e607ad1b96' and '0x8804d391472126da56b9a560aef6c6d5aaa7607b
respectively.
All these addresses have voted for No for both poll IDS 819 and 822 increasing the No votes by 18000.
The winning margin for No in both the polls was ~60K and about 50% difference (29K votes) has been made by these redelegation activity alone.