834.21% is the change from 38 to 355
Calculation steps:
[( 355 - 38 ) ÷ 38] x 100 = 834.21%
Formula
Percentage change = [(355 - 38) / 38] x 100
Subtract the new number by the original number
355 - 38 = 317
317 ÷ 38 = 8.342105263157896
8.342105263157896 x 100 = 834.21%