-80.53% is the change from 796 to 155
Calculation steps:
[( 155 - 796 ) ÷ 796] x 100 = -80.53%
Formula
Percentage change = [(155 - 796) / 796] x 100
Subtract the new number by the original number
155 - 796 = -641
-641 ÷ 796 = -0.8052763819095478
-0.8052763819095478 x 100 = -80.53%