284.04% is the change from 213 to 818
Calculation steps:
[( 818 - 213 ) ÷ 213] x 100 = 284.04%
Formula
Percentage change = [(818 - 213) / 213] x 100
Subtract the new number by the original number
818 - 213 = 605
605 ÷ 213 = 2.84037558685446
2.84037558685446 x 100 = 284.04%