-21.64% is the change from 795 to 623
Calculation steps:
[( 623 - 795 ) ÷ 795] x 100 = -21.64%
Formula
Percentage change = [(623 - 795) / 795] x 100
Subtract the new number by the original number
623 - 795 = -172
-172 ÷ 795 = -0.21635220125786164
-0.21635220125786164 x 100 = -21.64%