12.12% is the change from 891 to 999
Calculation steps:
[( 999 - 891 ) ÷ 891] x 100 = 12.12%
Formula
Percentage change = [(999 - 891) / 891] x 100
Subtract the new number by the original number
999 - 891 = 108
108 ÷ 891 = 0.12121212121212122
0.12121212121212122 x 100 = 12.12%