100% is the change from 192 to 384
Calculation steps:
[( 384 - 192 ) ÷ 192] x 100 = 100%
Formula
Percentage change = [(384 - 192) / 192] x 100
Subtract the new number by the original number
384 - 192 = 192
192 ÷ 192 = 1
1 x 100 = 100%
Example