284.55% is the change from 220 to 846
Calculation steps:
[( 846 - 220 ) ÷ 220] x 100 = 284.55%
Formula
Percentage change = [(846 - 220) / 220] x 100
Subtract the new number by the original number
846 - 220 = 626
626 ÷ 220 = 2.8454545454545452
2.8454545454545452 x 100 = 284.55%