420.9% is the change from 67 to 349
Calculation steps:
[( 349 - 67 ) ÷ 67] x 100 = 420.9%
Formula
Percentage change = [(349 - 67) / 67] x 100
Subtract the new number by the original number
349 - 67 = 282
282 ÷ 67 = 4.208955223880597
4.208955223880597 x 100 = 420.9%