161.54% is the change from 39 to 102
Calculation steps:
[( 102 - 39 ) ÷ 39] x 100 = 161.54%
Formula
Percentage change = [(102 - 39) / 39] x 100
Subtract the new number by the original number
102 - 39 = 63
63 ÷ 39 = 1.6153846153846154
1.6153846153846154 x 100 = 161.54%