-78.46% is the change from 794 to 171
Calculation steps:
[( 171 - 794 ) ÷ 794] x 100 = -78.46%
Formula
Percentage change = [(171 - 794) / 794] x 100
Subtract the new number by the original number
171 - 794 = -623
-623 ÷ 794 = -0.7846347607052897
-0.7846347607052897 x 100 = -78.46%