13.65% is the change from 879 to 999
Calculation steps:
[( 999 - 879 ) ÷ 879] x 100 = 13.65%
Formula
Percentage change = [(999 - 879) / 879] x 100
Subtract the new number by the original number
999 - 879 = 120
120 ÷ 879 = 0.13651877133105803
0.13651877133105803 x 100 = 13.65%