79.39% is the change from 490 to 879
Calculation steps:
[( 879 - 490 ) ÷ 490] x 100 = 79.39%
Formula
Percentage change = [(879 - 490) / 490] x 100
Subtract the new number by the original number
879 - 490 = 389
389 ÷ 490 = 0.7938775510204081
0.7938775510204081 x 100 = 79.39%