209.51% is the change from 284 to 879
Calculation steps:
[( 879 - 284 ) ÷ 284] x 100 = 209.51%
Formula
Percentage change = [(879 - 284) / 284] x 100
Subtract the new number by the original number
879 - 284 = 595
595 ÷ 284 = 2.0950704225352115
2.0950704225352115 x 100 = 209.51%