-2.96% is the change from 846 to 821
Calculation steps:
[( 821 - 846 ) ÷ 846] x 100 = -2.96%
Formula
Percentage change = [(821 - 846) / 846] x 100
Subtract the new number by the original number
821 - 846 = -25
-25 ÷ 846 = -0.02955082742316785
-0.02955082742316785 x 100 = -2.96%