Hi, can some people estimate my ATAR please?

School Rank ~85

2017:
Adv English: =23/43
Mathematics (2 Unit): 20/38
Physics: =8/20
IPT: 1/9
Engineering Studies: 2/11

2016 HSC (HSC Marks):
Software Design and Development: 98/100
SOR1: 41/50

Thanks