396.32% is the change from 163 to 809
Calculation steps:
[( 809 - 163 ) ÷ 163] x 100 = 396.32%
Formula
Percentage change = [(809 - 163) / 163] x 100
Subtract the new number by the original number
809 - 163 = 646
646 ÷ 163 = 3.96319018404908
3.96319018404908 x 100 = 396.32%