3.48% is the change from 861 to 891
Calculation steps:
[( 891 - 861 ) ÷ 861] x 100 = 3.48%
Formula
Percentage change = [(891 - 861) / 861] x 100
Subtract the new number by the original number
891 - 861 = 30
30 ÷ 861 = 0.03484320557491289
0.03484320557491289 x 100 = 3.48%