2500% is the change from 4 to 104
Calculation steps:
[( 104 - 4 ) ÷ 4] x 100 = 2500%
Formula
Percentage change = [(104 - 4) / 4] x 100
Subtract the new number by the original number
104 - 4 = 100
100 ÷ 4 = 25
25 x 100 = 2500%
Example