399.4% is the change from 167 to 834
Calculation steps:
[( 834 - 167 ) ÷ 167] x 100 = 399.4%
Formula
Percentage change = [(834 - 167) / 167] x 100
Subtract the new number by the original number
834 - 167 = 667
667 ÷ 167 = 3.9940119760479043
3.9940119760479043 x 100 = 399.4%