-99.2% is the change from 872 to 7
Calculation steps:
[( 7 - 872 ) ÷ 872] x 100 = -99.2%
Formula
Percentage change = [(7 - 872) / 872] x 100
Subtract the new number by the original number
7 - 872 = -865
-865 ÷ 872 = -0.9919724770642202
-0.9919724770642202 x 100 = -99.2%