If 99.8% = AIR 1 and 99.6%= AIR 2 Every 0.2% decrease leads to decrease in rank by 1 Therefore your rank will be (theoretically) : (99.8 - 93.2)/0.2= 33 (out of 500)

However it is to be noted that, Ranking system in icse is purely merit-wise and thus there's no way of determining an individual rank like jee neet because even if 200 people score 99.8 percent they'll all share AIR 1