4337.5% is the change from 8 to 355
Calculation steps:
[( 355 - 8 ) ÷ 8] x 100 = 4337.5%
Formula
Percentage change = [(355 - 8) / 8] x 100
Subtract the new number by the original number
355 - 8 = 347
347 ÷ 8 = 43.375
43.375 x 100 = 4337.5%
Example