I will copy my notepad sheet just as it is, so forgive the chaos in there, but as for the figures, I'd tried to use the most reliable sources as I could, of course Love City's tweets/retweets helped the case quite a lot:
Note: I didn't include Bony here as he was a january signing for the last season, but did include Nastasic as his deal was made permanent as last season went on.
IN 2015:
sterling 44+5m (2m after 120 appearances, 3m after CL+league win)
delph 8m
otamendi 32m
de bruyne 54+3m
(sobrino 180+145k)
(unal 2m)
(roberts 4+6m)
(aleix garcia 2.1m)
OUT 2015
nastasic 1.5m [loan fee] + 6.9m(?)
sinclair 2.5m
boyata 1.5m
negredo 23m
rekik 3.9m
trippier 1.2m (~40 perc. of burnley's sale)
jovetic 2.1(+10.25m in 2017 + 20% sell-on clause + 2m add ons: 1m for title/750k for CL qual)
dzeko 2.9m(+7.9 'if conditions are met', perhaps only roma's financial issues)
lopes 8.8m
ntcham - loan (buy option 2.5m in 2017; city buy back 3.5m)
IN: 138+8m (+ academy money, i.e., 8.4+6m)
OUT: 54.3m (excluding the full Jovetic and Dzeko money, which should count for 2016 I guess)
NET: 83.7+8m