3.97% is the change from 857 to 891
Calculation steps:
[( 891 - 857 ) ÷ 857] x 100 = 3.97%
Formula
Percentage change = [(891 - 857) / 857] x 100
Subtract the new number by the original number
891 - 857 = 34
34 ÷ 857 = 0.039673278879813305
0.039673278879813305 x 100 = 3.97%