-1.82% is the change from 826 to 811
Calculation steps:
[( 811 - 826 ) ÷ 826] x 100 = -1.82%
Formula
Percentage change = [(811 - 826) / 826] x 100
Subtract the new number by the original number
811 - 826 = -15
-15 ÷ 826 = -0.018159806295399514
-0.018159806295399514 x 100 = -1.82%