Yōga Sūtra 3.15

क्रमान्यत्वं परिणामान्यत्वे हेतुः।

kramānyatvaṁ pariṇāmānyatvē hētuḥ।

[क्रम अन्यत्वं परिणाम अन्यत्वे हेतुः।
krama = sequence; anyatvaṁ = altered; pariṇāma = the effects are; anyatvē = altered; hētuḥ = causes;]

Change in the sequence (of effects - nirodha, samādhi, ēkāgratā) causes the change in effects.