49.04% is the change from 104 to 155
Calculation steps:
[( 155 - 104 ) ÷ 104] x 100 = 49.04%
Formula
Percentage change = [(155 - 104) / 104] x 100
Subtract the new number by the original number
155 - 104 = 51
51 ÷ 104 = 0.49038461538461536
0.49038461538461536 x 100 = 49.04%