274.31% is the change from 218 to 816
Calculation steps:
[( 816 - 218 ) ÷ 218] x 100 = 274.31%
Formula
Percentage change = [(816 - 218) / 218] x 100
Subtract the new number by the original number
816 - 218 = 598
598 ÷ 218 = 2.743119266055046
2.743119266055046 x 100 = 274.31%