-80.03% is the change from 796 to 159
Calculation steps:
[( 159 - 796 ) ÷ 796] x 100 = -80.03%
Formula
Percentage change = [(159 - 796) / 796] x 100
Subtract the new number by the original number
159 - 796 = -637
-637 ÷ 796 = -0.800251256281407
-0.800251256281407 x 100 = -80.03%