Complex sentence: The song debuted on the UK Singles Chart at number 87 and before dropping out of the top 100 the following week, the song then re-entered the chart and slowly climed up in chart for 10 weeks to reach its current peak of 41.
Split into simpler sentences: The song debuted on the UK Singles Chart at number 87. After dropping out of the top 100 the following week, it re-entered the chart and has climbed up in chart for ten weeks to reach a current peak of 41.