989.74% is the change from 39 to 425
Calculation steps:
[( 425 - 39 ) ÷ 39] x 100 = 989.74%
Formula
Percentage change = [(425 - 39) / 39] x 100
Subtract the new number by the original number
425 - 39 = 386
386 ÷ 39 = 9.897435897435898
9.897435897435898 x 100 = 989.74%