-1.33% is the change from 827 to 816
Calculation steps:
[( 816 - 827 ) ÷ 827] x 100 = -1.33%
Formula
Percentage change = [(816 - 827) / 827] x 100
Subtract the new number by the original number
816 - 827 = -11
-11 ÷ 827 = -0.013301088270858524
-0.013301088270858524 x 100 = -1.33%