Early estimates
1. Cheerleader 153,000
2. Fight Song 121,000
3. Can't Feel My Face 119,000
4. Bad Blood 115,000
5. Watch Me 114,000
6. Cool For The Summer 95,000
7. Good For You 86,000
8. Honey, I'm Good. 80,000
9. Shut Up And Dance 70,000
10. Where Are Ü Now 70,000
http://kworb.net/cc
This assumes the Apple Music effect is only a 10% decrease in sales across the board.