i have dine my as per understanding and make company financial sales forecast.

1. Dec '17 Sep '17 Jun '17 Mar '17 Dec '16
Net Sales/Income from operations 1,394.74 1,346.72 1,091.66 1,226.14 1,179.82
Other Operating Income 30.30 17.06 10.56 28.80 16.09
Total Income From Operations 1,425.04 1,363.78 1,102.22 1,254.94 1,195.91
Sep '16 Jun '16 Mar '16 Dec '15 Sep '15
Net Sales/Income from operations 1,225.66 1,042.43 1,134.06 1,182.61 1,218.09
Other Operating Income 14.68 15.73 17.78 17.20 13.46
Total Income From Operations 1,240.34 1,058.16 1,151.84 1,199.81 1,231.55
Dec '17 Sep '17 Jun '17 Mar '17 Dec '16 Sep16 Jun16 Mar '16
Net
Sales/Income
from
operations
1,394.74 1,346.72 1,091.66 1,226.14 1,179.82 1,225.66 1,042.23 1,134.06
Other
Operating
Income
30.30 17.06 10.56 28.80 16.09 14.68 15.73 17.78
Total Income
From
Operations
1,425.04 1,363.78 1,102.22 1,254.94 1,195.91 1,240.34 1,058.16 1,151.84
Q1 = (1,151.84 - 1,254.94) / 1,254.94*100 = -8.21
Q2 = (1,058.16– 1,102.22) / 1,102.22* 100 = -3.99
Q3 = (1,240.34– 1,363.78) / 1,363.78* 100 = - 9.05
Q4 = (1,195.91– 1,425.04) / 1,425.04* 100 = - 16.07