0.23% is the change from 861 to 863
Calculation steps:
[( 863 - 861 ) ÷ 861] x 100 = 0.23%
Formula
Percentage change = [(863 - 861) / 861] x 100
Subtract the new number by the original number
863 - 861 = 2
2 ÷ 861 = 0.0023228803716608595
0.0023228803716608595 x 100 = 0.23%