420% is the change from 165 to 858
Calculation steps:
[( 858 - 165 ) ÷ 165] x 100 = 420%
Formula
Percentage change = [(858 - 165) / 165] x 100
Subtract the new number by the original number
858 - 165 = 693
693 ÷ 165 = 4.2
4.2 x 100 = 420%
Example