438.06% is the change from 155 to 834
Calculation steps:
[( 834 - 155 ) ÷ 155] x 100 = 438.06%
Formula
Percentage change = [(834 - 155) / 155] x 100
Subtract the new number by the original number
834 - 155 = 679
679 ÷ 155 = 4.380645161290323
4.380645161290323 x 100 = 438.06%