-79.09% is the change from 794 to 166
Calculation steps:
[( 166 - 794 ) ÷ 794] x 100 = -79.09%
Formula
Percentage change = [(166 - 794) / 794] x 100
Subtract the new number by the original number
166 - 794 = -628
-628 ÷ 794 = -0.7909319899244333
-0.7909319899244333 x 100 = -79.09%