I have marked the waves in the chart and here I will explain them a little more in detail.
Wave 2 is a deep correction of wave 1 and retraces 76.4% of the wave 1.
Wave 3 is a 161.8% extension of the wave 1 and is composed of five inner waves, though I have not marked them on the chart to avoid too much confusion.
Wave 4 is a 38.2% correction of wave 2. Again ...