-19.27% is the change from 794 to 641
Calculation steps:
[( 641 - 794 ) ÷ 794] x 100 = -19.27%
Formula
Percentage change = [(641 - 794) / 794] x 100
Subtract the new number by the original number
641 - 794 = -153
-153 ÷ 794 = -0.19269521410579346
-0.19269521410579346 x 100 = -19.27%