278.4% is the change from 213 to 806
Calculation steps:
[( 806 - 213 ) ÷ 213] x 100 = 278.4%
Formula
Percentage change = [(806 - 213) / 213] x 100
Subtract the new number by the original number
806 - 213 = 593
593 ÷ 213 = 2.784037558685446
2.784037558685446 x 100 = 278.4%