G4199–πορθέω–portheō

and his hearers were all amazed, and began to ask one another, "Is not this the man who in Jerusalem tried to exterminate those who called upon that Name, and came here on purpose to carry them off in chains to the High Priests?"

πορθήσας porthēsas “having caused havoc”

For you have heard of my early career in Judaism--how I furiously persecuted the Church of God, and made havoc of it;

ἐπόρθουν eporthoun “was destroying”

They only heard it said, "He who was once our persecutor is now telling the Good News of the faith of which he formerly made havoc."

ἐπόρθει· eporthei “he was destroying;”