325.64% is the change from 39 to 166
Calculation steps:
[( 166 - 39 ) ÷ 39] x 100 = 325.64%
Formula
Percentage change = [(166 - 39) / 39] x 100
Subtract the new number by the original number
166 - 39 = 127
127 ÷ 39 = 3.2564102564102564
3.2564102564102564 x 100 = 325.64%