To find the number that, when subtracted from 100, gives you 52, you would subtract 48 from 100. This is because 100 - 48 = 52. So, the number you are looking for is 48.
If 100-r=99.52, r=100-99.52 and r=.48.
60*20/100=1260-12=48
The next would be 7. 100 minus 48 is 52. 52 minus 24 (half of 48) is 28. 28 minus 12 (half of 24) is 16. etc.. The next in the sequence after 7 would be 5.5.
48 minus 1.4 is 46.6
48 minus 32 is 16.
56 minus -48 is 104.
12
48
48 - 19 = 29
2010 - 48 = 1962
216 - 48 = 168