50% is the change from 192 to 288
Calculation steps:
[( 288 - 192 ) ÷ 192] x 100 = 50%
Formula
Percentage change = [(288 - 192) / 192] x 100
Subtract the new number by the original number
288 - 192 = 96
96 ÷ 192 = 0.5
0.5 x 100 = 50%
Example