43.3% is the change from 388 to 556
Calculation steps:
[( 556 - 388 ) ÷ 388] x 100 = 43.3%
Formula
Percentage change = [(556 - 388) / 388] x 100
Subtract the new number by the original number
556 - 388 = 168
168 ÷ 388 = 0.4329896907216495
0.4329896907216495 x 100 = 43.3%