1)
Verse 35 said that 25,100 died. Here it says 25,000!
1.
Radak: The Navi relies on what it wrote before, and did not mention the addition over 25,000.
2.
Malbim: "Ba'Yom ha'Hu" 25,000 died. Others 1 died in the previous battles, or they were killed in caves [where they were hiding] on days after this.