-19.37% is the change from 795 to 641
Calculation steps:
[( 641 - 795 ) ÷ 795] x 100 = -19.37%
Formula
Percentage change = [(641 - 795) / 795] x 100
Subtract the new number by the original number
641 - 795 = -154
-154 ÷ 795 = -0.19371069182389938
-0.19371069182389938 x 100 = -19.37%