297.09% is the change from 206 to 818
Calculation steps:
[( 818 - 206 ) ÷ 206] x 100 = 297.09%
Formula
Percentage change = [(818 - 206) / 206] x 100
Subtract the new number by the original number
818 - 206 = 612
612 ÷ 206 = 2.970873786407767
2.970873786407767 x 100 = 297.09%