4.7% is the change from 830 to 869
Calculation steps:
[( 869 - 830 ) ÷ 830] x 100 = 4.7%
Formula
Percentage change = [(869 - 830) / 830] x 100
Subtract the new number by the original number
869 - 830 = 39
39 ÷ 830 = 0.046987951807228916
0.046987951807228916 x 100 = 4.7%