779% is the change from 100 to 879
Calculation steps:
[( 879 - 100 ) ÷ 100] x 100 = 779%
Formula
Percentage change = [(879 - 100) / 100] x 100
Subtract the new number by the original number
879 - 100 = 779
779 ÷ 100 = 7.79
7.79 x 100 = 779%
Example