Could you reapair your calculator? It shows:Current Difficulty 27.497

Expected Time per Block 0 day(s), 0 hour(s), 2 min, 46 sec

Above is propably right, so if time for solving a block is 2min 46sec, (it's more than 2min 30sec, which is target block solving time) that means difficulty is going DOWN, not up like it is shown in your calculator:Next Difficulty 34.665613350126

Next difficulty = (2min 30sec)/(2min 46sec)*27.497

Next difficulty = **24.846**