SWORDF1SH on 20 October 2015
This is how I get it.
Wii U August 42.5k, 110% increase 89k
From cream sugar percentages
Wii U makes up 12% 89k / 12 = 7.4166k per 1 %
PS4 7.4166 * 48% = 356k
X1 7.4166 * 40% = 296k
Wii U 89k - PS4 356k - X1 296k
This would put the X1 above last years 283k.