320.51% is the change from 39 to 164
Calculation steps:
[( 164 - 39 ) ÷ 39] x 100 = 320.51%
Formula
Percentage change = [(164 - 39) / 39] x 100
Subtract the new number by the original number
164 - 39 = 125
125 ÷ 39 = 3.2051282051282053
3.2051282051282053 x 100 = 320.51%