142.01% is the change from 388 to 939
Calculation steps:
[( 939 - 388 ) ÷ 388] x 100 = 142.01%
Formula
Percentage change = [(939 - 388) / 388] x 100
Subtract the new number by the original number
939 - 388 = 551
551 ÷ 388 = 1.4201030927835052
1.4201030927835052 x 100 = 142.01%