119.75% is the change from 400 to 879
Calculation steps:
[( 879 - 400 ) ÷ 400] x 100 = 119.75%
Formula
Percentage change = [(879 - 400) / 400] x 100
Subtract the new number by the original number
879 - 400 = 479
479 ÷ 400 = 1.1975
1.1975 x 100 = 119.75%