Message of seventy 'seven'

Daniel 9:20-27
Angel Gabriel, came to tell Daniel the vision and the messages.
Seventy 'sevens' are decreed for your people and your holy city to finish transgression, to put an end to sin, to atone for wickedness, to bring in everlasting righteousness, to seal up vision and prophecy and to anoint the most holy.
He saw the answer to his prayer that same year, but Israel's troubles were not over. God now shows Daniel something of what lies ahead.
Verse 24-27 are very difficult, and numerous interpretations have been suggested.
God has ordained a period of 70x 7 in which the salvation of his people will be completed. For the Jews, the number seven itself symbolized completeness, perfection. It may therefore be best to take the numbers symbolically, though the period of time between the decree to rebuild and restore Jerusalem and the beginning of Jesus' ministry comes very close to the 7+62 weeks = 483 day, standing for the same number of years.This is the total reached if we take the figures literally.
Verse 26 seems to point to the death and rejection of Christ and the destruction of the Temple which followed in AD 70 - with a wider reference at the end. But the subject of verse 27 is not at all clear. 'He' is taken by some to be the Messiah, by others to be the destroying prince of the previous verse.
Why?
Last period will have anti-Christ coming, who desolate Temple, but an end all will be completed by the man of God.
How?
There are worse situation lies ahead, but God's people will be saved finally. Do not lose faith and be strong, God is with us. God knows all in history.