and the difference between a 99% eclipse and totality is (not meant as a pun) night and day.
The last tiniest sliver of sun still packs a wallop, and when you hit totality...well, it's hard to explain. The change is almost overwhelming.
Do yourself a favor and try to catch the next one...fastest 2 min and 14 sec ever.
This was the last sliver I caught before totality and it was still bright: