1.09% is the change from 825 to 834
Calculation steps:
[( 834 - 825 ) ÷ 825] x 100 = 1.09%
Formula
Percentage change = [(834 - 825) / 825] x 100
Subtract the new number by the original number
834 - 825 = 9
9 ÷ 825 = 0.01090909090909091
0.01090909090909091 x 100 = 1.09%