No where in the New Testament does it talk about tithing. The New Testament does not prescribe tithing. Jesus calls tithing a matter of the Law. Jesus said if you want to follow me sell all you have.
Tithing was a part of the Old Testament laws. The Levitical tithe was considered the sacred tithe. It was the first tenth of the harvest and was consecrated to God. It was given to the Levites, a tribe that was set aside to be priests and caretakers of the tabernacle and its furnishings. They were not allowed to own land, so this tithe made provision for them.
Today Jewish people don't even pay tithes with the absence of the Temple and ritual tithe of fruits and vegetables.
Now saying all that if you attend a local church you should help them pay their bills it cost money to keep a church going and there is no set amount. 2 CORINTHIANS 9 But this I say, He which soweth sparingly shall reap also sparingly; and he which soweth bountifully shall reap also bountifully.
 Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver.
When did people stop paying tithes?
It was abolished in Ireland at the disestablishment of the Anglican church in 1871, and it gradually died out in the Church of Scotland. In England in 1836, the tithe was commuted for a rent charge depending on the price of grain, and in 1936 the tithe rent charges were abolished.
Why was tithes abolished?
Many today believe that tithing came to an end after Christ's earthly ministry and crucifixion—that it went out along with the Old Covenant, the special agreement that God made with the nation of Israel at Mt. Sinai following the Exodus from Egypt.
Why is tithing so controversial?
The arguments against tithing border on the following: that tithing belongs to the Old Testament and, therefore, is not scriptural; that tithes have been abused by pastors; that nowhere in the Bible is it mentioned that the disciples paid tithes to Jesus.