276.15% is the change from 218 to 820
Calculation steps:
[( 820 - 218 ) ÷ 218] x 100 = 276.15%
Formula
Percentage change = [(820 - 218) / 218] x 100
Subtract the new number by the original number
820 - 218 = 602
602 ÷ 218 = 2.761467889908257
2.761467889908257 x 100 = 276.15%