Fast growth: Given the last 14 days, score = log(day_14_sum_of_metrics / day_1_sum_of_metrics) - 2 * sqrt(1 / day_1_sum_of_metrics + 1 / day_14_sum_of_metrics)
Big growth: Given the last 30 days, score = day_30_sum_of_metrics - day_1_sum_of_metrics
Fast growth: Given the last 14 days, score = log(day_14_sum_of_metrics / day_1_sum_of_metrics) - 2 * sqrt(1 / day_1_sum_of_metrics + 1 / day_14_sum_of_metrics)
Big growth: Given the last 30 days, score = day_30_sum_of_metrics - day_1_sum_of_metrics