2407.69% is the change from 39 to 978
Calculation steps:
[( 978 - 39 ) ÷ 39] x 100 = 2407.69%
Formula
Percentage change = [(978 - 39) / 39] x 100
Subtract the new number by the original number
978 - 39 = 939
939 ÷ 39 = 24.076923076923077
24.076923076923077 x 100 = 2407.69%