278.9% is the change from 218 to 826
Calculation steps:
[( 826 - 218 ) ÷ 218] x 100 = 278.9%
Formula
Percentage change = [(826 - 218) / 218] x 100
Subtract the new number by the original number
826 - 218 = 608
608 ÷ 218 = 2.7889908256880735
2.7889908256880735 x 100 = 278.9%