Is this normal?
I normally see this once the 200 reputation cap is reached, not before.
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Yes, that's normal. Weird, but normal. The reason is because of the un-upvote you received (the -10). This day still counts towards the badges that say that you have to earn a total of 200 reputation, because you still earned as much when you count together the green numbers. That total of 190 can be ignored.
You can see similar things for example when placing a bounty. A bounty of 50 means you are "capped" at +150 - but the day still counts towards the badges for 200.