275.23% is the change from 218 to 818
Calculation steps:
[( 818 - 218 ) ÷ 218] x 100 = 275.23%
Formula
Percentage change = [(818 - 218) / 218] x 100
Subtract the new number by the original number
818 - 218 = 600
600 ÷ 218 = 2.7522935779816513
2.7522935779816513 x 100 = 275.23%