### Database Schema:
CREATE TABLE matchs (
	Div	TEXT	NULL,
	Date	DATE	NULL,
	HomeTeam	TEXT	NULL,
	AwayTeam	TEXT	NULL,
	FTHG	INTEGER	NULL,
	FTAG	INTEGER	NULL,
	FTR	TEXT	NULL,
	season	INTEGER	NULL,
	foreign key (Div) references divisions (division)
);

CREATE TABLE divisions (
	division	TEXT	NOT NULL	PRIMARY KEY,
	name	TEXT	NULL,
	country	TEXT	NULL
);

### User's Query:
What was the difference in home team and away team win percentages across all divisions in 2010?

### Extra Knowledge:
2010 refers to season = 2010; SUBTRACT(DIVIDE(COUNT(Div where FTR = 'H', season = 2010), COUNT(Div where season = 2010)), COUNT(Div where FTR = 'A', season = 2010), COUNT(Div where season = 2010)) as percentage;
SELECT CAST(COUNT(CASE WHEN FTR = 'H' THEN 1 ELSE NULL END) AS REAL) * 100 / COUNT(FTR) - CAST(COUNT(CASE WHEN FTR = 'A' THEN 1 ELSE NULL END) AS REAL) * 100 / COUNT(FTR) DIFFERENCE FROM matchs WHERE season = 2010