9600% is the change from 4 to 388
Calculation steps:
[( 388 - 4 ) ÷ 4] x 100 = 9600%
Formula
Percentage change = [(388 - 4) / 4] x 100
Subtract the new number by the original number
388 - 4 = 384
384 ÷ 4 = 96
96 x 100 = 9600%
Example