100% is the change from 196 to 392
Calculation steps:
[( 392 - 196 ) ÷ 196] x 100 = 100%
Formula
Percentage change = [(392 - 196) / 196] x 100
Subtract the new number by the original number
392 - 196 = 196
196 ÷ 196 = 1
1 x 100 = 100%
Example