239.22% is the change from 102 to 346
Calculation steps:
[( 346 - 102 ) ÷ 102] x 100 = 239.22%
Formula
Percentage change = [(346 - 102) / 102] x 100
Subtract the new number by the original number
346 - 102 = 244
244 ÷ 102 = 2.392156862745098
2.392156862745098 x 100 = 239.22%