-3.17% is the change from 821 to 795
Calculation steps:
[( 795 - 821 ) ÷ 821] x 100 = -3.17%
Formula
Percentage change = [(795 - 821) / 821] x 100
Subtract the new number by the original number
795 - 821 = -26
-26 ÷ 821 = -0.031668696711327646
-0.031668696711327646 x 100 = -3.17%