422.39% is the change from 67 to 350
Calculation steps:
[( 350 - 67 ) ÷ 67] x 100 = 422.39%
Formula
Percentage change = [(350 - 67) / 67] x 100
Subtract the new number by the original number
350 - 67 = 283
283 ÷ 67 = 4.223880597014926
4.223880597014926 x 100 = 422.39%