1992.86% is the change from 42 to 879
Calculation steps:
[( 879 - 42 ) ÷ 42] x 100 = 1992.86%
Formula
Percentage change = [(879 - 42) / 42] x 100
Subtract the new number by the original number
879 - 42 = 837
837 ÷ 42 = 19.928571428571427
19.928571428571427 x 100 = 1992.86%