386.3% is the change from 73 to 355
Calculation steps:
[( 355 - 73 ) ÷ 73] x 100 = 386.3%
Formula
Percentage change = [(355 - 73) / 73] x 100
Subtract the new number by the original number
355 - 73 = 282
282 ÷ 73 = 3.863013698630137
3.863013698630137 x 100 = 386.3%