0.23% is the change from 869 to 871
Calculation steps:
[( 871 - 869 ) ÷ 869] x 100 = 0.23%
Formula
Percentage change = [(871 - 869) / 869] x 100
Subtract the new number by the original number
871 - 869 = 2
2 ÷ 869 = 0.0023014959723820483
0.0023014959723820483 x 100 = 0.23%