-99.2% is the change from 874 to 7
Calculation steps:
[( 7 - 874 ) ÷ 874] x 100 = -99.2%
Formula
Percentage change = [(7 - 874) / 874] x 100
Subtract the new number by the original number
7 - 874 = -867
-867 ÷ 874 = -0.9919908466819222
-0.9919908466819222 x 100 = -99.2%