42% is the change from 619 to 879
Calculation steps:
[( 879 - 619 ) ÷ 619] x 100 = 42%
Formula
Percentage change = [(879 - 619) / 619] x 100
Subtract the new number by the original number
879 - 619 = 260
260 ÷ 619 = 0.420032310177706
0.420032310177706 x 100 = 42%