-2.21% is the change from 813 to 795
Calculation steps:
[( 795 - 813 ) ÷ 813] x 100 = -2.21%
Formula
Percentage change = [(795 - 813) / 813] x 100
Subtract the new number by the original number
795 - 813 = -18
-18 ÷ 813 = -0.02214022140221402
-0.02214022140221402 x 100 = -2.21%