-1.7% is the change from 825 to 811
Calculation steps:
[( 811 - 825 ) ÷ 825] x 100 = -1.7%
Formula
Percentage change = [(811 - 825) / 825] x 100
Subtract the new number by the original number
811 - 825 = -14
-14 ÷ 825 = -0.01696969696969697
-0.01696969696969697 x 100 = -1.7%