134.31% is the change from 102 to 239
Calculation steps:
[( 239 - 102 ) ÷ 102] x 100 = 134.31%
Formula
Percentage change = [(239 - 102) / 102] x 100
Subtract the new number by the original number
239 - 102 = 137
137 ÷ 102 = 1.3431372549019607
1.3431372549019607 x 100 = 134.31%