1.28% is the change from 857 to 868
Calculation steps:
[( 868 - 857 ) ÷ 857] x 100 = 1.28%
Formula
Percentage change = [(868 - 857) / 857] x 100
Subtract the new number by the original number
868 - 857 = 11
11 ÷ 857 = 0.012835472578763127
0.012835472578763127 x 100 = 1.28%