12.63% is the change from 388 to 437
Calculation steps:
[( 437 - 388 ) ÷ 388] x 100 = 12.63%
Formula
Percentage change = [(437 - 388) / 388] x 100
Subtract the new number by the original number
437 - 388 = 49
49 ÷ 388 = 0.12628865979381443
0.12628865979381443 x 100 = 12.63%