378.7% is the change from 169 to 809
Calculation steps:
[( 809 - 169 ) ÷ 169] x 100 = 378.7%
Formula
Percentage change = [(809 - 169) / 169] x 100
Subtract the new number by the original number
809 - 169 = 640
640 ÷ 169 = 3.78698224852071
3.78698224852071 x 100 = 378.7%