forget of this 100% , event end last MT, so there is chance of fail upgrade. In time when was 100% was easy to calculate, just make X x 2 all time, so...
1 x lvl24
2-23
4-22
8-21
16-20
32-19
64-18
128-17
256-16
512-15
1024-14
2048-13
4096-12
8192-11
16384-10
32768-9
65536-8
131072-7
262144-6
524288-5
1048576-4
2097152-3
4194304-2
8388608-1 lvl
GL :D