0.12% is the change from 856 to 857
Calculation steps:
[( 857 - 856 ) ÷ 856] x 100 = 0.12%
Formula
Percentage change = [(857 - 856) / 856] x 100
Subtract the new number by the original number
857 - 856 = 1
1 ÷ 856 = 0.0011682242990654205
0.0011682242990654205 x 100 = 0.12%