-90.85% is the change from 874 to 80
Calculation steps:
[( 80 - 874 ) ÷ 874] x 100 = -90.85%
Formula
Percentage change = [(80 - 874) / 874] x 100
Subtract the new number by the original number
80 - 874 = -794
-794 ÷ 874 = -0.9084668192219679
-0.9084668192219679 x 100 = -90.85%