 In European nations, "Best Mistake" debuted at number 49 and 10 on the Flanders Ultratop 50 and Urban chart respectively, number 29 on the Danish Tracklisten chart, 23 on the Finnish Singles Chart, 103 on the French SNEP chart, 5 on the Billboard Greek Digital chart, 67 on the Netherlands Mega Single Top 100, 35 on the Spain PROMUSICAE chart, and number 154 on the UK Singles Chart. In Oceania, it reached number 45 and 19 on the Australian ARIA pop and urban songs chart respectively, and 29 on the Official New Zealand Music Chart. On the Japan Hot 100, it peaked at the 74th spot.
