2389.74% is the change from 39 to 971
Calculation steps:
[( 971 - 39 ) ÷ 39] x 100 = 2389.74%
Formula
Percentage change = [(971 - 39) / 39] x 100
Subtract the new number by the original number
971 - 39 = 932
932 ÷ 39 = 23.897435897435898
23.897435897435898 x 100 = 2389.74%