Inna 6-piece bonus (old multiplier) = 1 + 950%*10 = 96
Inna 6-piece bonus (new multiplier) = 1 + 3000%*10 = 301
Crudest Boots (old multiplier) = 1 + 400% = 5
Crudest Boots (new multiplier) = 1 + 200% = 3
Bindings of Lesser Gods (old multiplier) = 1 + 400% = 5
Bindings of Lesser Gods (new multiplier) = 1 + 200% = 3
Net change = (301*3*3)/(96*5*5) = 1.12875
This means the change is almost +0.75 GRs from the last PTR patch. Of course, the LoD WoL build was quashed though. Do not forget the +1 in the base multipliers when computing numbers.