83.51% is the change from 479 to 879
Calculation steps:
[( 879 - 479 ) ÷ 479] x 100 = 83.51%
Formula
Percentage change = [(879 - 479) / 479] x 100
Subtract the new number by the original number
879 - 479 = 400
400 ÷ 479 = 0.8350730688935282
0.8350730688935282 x 100 = 83.51%