146.15% is the change from 104 to 256
Calculation steps:
[( 256 - 104 ) ÷ 104] x 100 = 146.15%
Formula
Percentage change = [(256 - 104) / 104] x 100
Subtract the new number by the original number
256 - 104 = 152
152 ÷ 104 = 1.4615384615384615
1.4615384615384615 x 100 = 146.15%