81% is the change from 479 to 867
Calculation steps:
[( 867 - 479 ) ÷ 479] x 100 = 81%
Formula
Percentage change = [(867 - 479) / 479] x 100
Subtract the new number by the original number
867 - 479 = 388
388 ÷ 479 = 0.8100208768267223
0.8100208768267223 x 100 = 81%