273.52% is the change from 219 to 818
Calculation steps:
[( 818 - 219 ) ÷ 219] x 100 = 273.52%
Formula
Percentage change = [(818 - 219) / 219] x 100
Subtract the new number by the original number
818 - 219 = 599
599 ÷ 219 = 2.7351598173515983
2.7351598173515983 x 100 = 273.52%