50% is the change from 288 to 432
Calculation steps:
[( 432 - 288 ) ÷ 288] x 100 = 50%
Formula
Percentage change = [(432 - 288) / 288] x 100
Subtract the new number by the original number
432 - 288 = 144
144 ÷ 288 = 0.5
0.5 x 100 = 50%
Example