0.12% is the change from 865 to 866
Calculation steps:
[( 866 - 865 ) ÷ 865] x 100 = 0.12%
Formula
Percentage change = [(866 - 865) / 865] x 100
Subtract the new number by the original number
866 - 865 = 1
1 ÷ 865 = 0.0011560693641618498
0.0011560693641618498 x 100 = 0.12%