-1.58% is the change from 824 to 811
Calculation steps:
[( 811 - 824 ) ÷ 824] x 100 = -1.58%
Formula
Percentage change = [(811 - 824) / 824] x 100
Subtract the new number by the original number
811 - 824 = -13
-13 ÷ 824 = -0.015776699029126214
-0.015776699029126214 x 100 = -1.58%