INSERT INTO GBP Plus(Index Change) VALUES( AND((SELECT NUMINDEX FROM GBP WHERE ID>ID-1) - (SELECT NUMINDEX FROM GBP WHERE ID=ID )) code example

Example: INSERT INTO GBP Plus(Index Change) VALUES( AND((SELECT NUMINDEX FROM GBP WHERE ID>ID-1) - (SELECT NUMINDEX FROM GBP WHERE ID=ID ))

INSERT INTO GBPPlus(IndexChange)
VALUES( ABS((SELECT NUMINDEX FROM GBP WHERE ID>ID-1) - (SELECT NUMINDEX FROM GBP WHERE ID=ID ))