0.72% is the change from 830 to 836
Calculation steps:
[( 836 - 830 ) ÷ 830] x 100 = 0.72%
Formula
Percentage change = [(836 - 830) / 830] x 100
Subtract the new number by the original number
836 - 830 = 6
6 ÷ 830 = 0.007228915662650603
0.007228915662650603 x 100 = 0.72%