-90.5% is the change from 874 to 83
Calculation steps:
[( 83 - 874 ) ÷ 874] x 100 = -90.5%
Formula
Percentage change = [(83 - 874) / 874] x 100
Subtract the new number by the original number
83 - 874 = -791
-791 ÷ 874 = -0.9050343249427918
-0.9050343249427918 x 100 = -90.5%