0.84% is the change from 830 to 837
Calculation steps:
[( 837 - 830 ) ÷ 830] x 100 = 0.84%
Formula
Percentage change = [(837 - 830) / 830] x 100
Subtract the new number by the original number
837 - 830 = 7
7 ÷ 830 = 0.008433734939759036
0.008433734939759036 x 100 = 0.84%