3.45% is the change from 869 to 899
Calculation steps:
[( 899 - 869 ) ÷ 869] x 100 = 3.45%
Formula
Percentage change = [(899 - 869) / 869] x 100
Subtract the new number by the original number
899 - 869 = 30
30 ÷ 869 = 0.03452243958573072
0.03452243958573072 x 100 = 3.45%