-20.03% is the change from 794 to 635
Calculation steps:
[( 635 - 794 ) ÷ 794] x 100 = -20.03%
Formula
Percentage change = [(635 - 794) / 794] x 100
Subtract the new number by the original number
635 - 794 = -159
-159 ÷ 794 = -0.20025188916876574
-0.20025188916876574 x 100 = -20.03%