-1.32% is the change from 832 to 821
Calculation steps:
[( 821 - 832 ) ÷ 832] x 100 = -1.32%
Formula
Percentage change = [(821 - 832) / 832] x 100
Subtract the new number by the original number
821 - 832 = -11
-11 ÷ 832 = -0.013221153846153846
-0.013221153846153846 x 100 = -1.32%