-80.35% is the change from 794 to 156
Calculation steps:
[( 156 - 794 ) ÷ 794] x 100 = -80.35%
Formula
Percentage change = [(156 - 794) / 794] x 100
Subtract the new number by the original number
156 - 794 = -638
-638 ÷ 794 = -0.8035264483627204
-0.8035264483627204 x 100 = -80.35%