417.91% is the change from 67 to 347
Calculation steps:
[( 347 - 67 ) ÷ 67] x 100 = 417.91%
Formula
Percentage change = [(347 - 67) / 67] x 100
Subtract the new number by the original number
347 - 67 = 280
280 ÷ 67 = 4.17910447761194
4.17910447761194 x 100 = 417.91%