-8.06% is the change from 893 to 821
Calculation steps:
[( 821 - 893 ) ÷ 893] x 100 = -8.06%
Formula
Percentage change = [(821 - 893) / 893] x 100
Subtract the new number by the original number
821 - 893 = -72
-72 ÷ 893 = -0.08062709966405375
-0.08062709966405375 x 100 = -8.06%