What is that arow thing next to the battery percentage on my iphone?

What is that arow thing next to the battery percentage on my iphone? - 1

I assume you're talking about the Wi-Fi signal strength meter

That's your jesus finder

That's the Location Services indicator. It lights up when the phone is trying to figure out where it is.

Your Location Services is turned On. Try turning it off from Settings > Privacy > Location Services: Off.