231.73% is the change from 104 to 345
Calculation steps:
[( 345 - 104 ) ÷ 104] x 100 = 231.73%
Formula
Percentage change = [(345 - 104) / 104] x 100
Subtract the new number by the original number
345 - 104 = 241
241 ÷ 104 = 2.3173076923076925
2.3173076923076925 x 100 = 231.73%