104% is the change from 100 to 204
Calculation steps:
[( 204 - 100 ) ÷ 100] x 100 = 104%
Formula
Percentage change = [(204 - 100) / 100] x 100
Subtract the new number by the original number
204 - 100 = 104
104 ÷ 100 = 1.04
1.04 x 100 = 104%
Example