-91.23% is the change from 992 to 87
Calculation steps:
[( 87 - 992 ) ÷ 992] x 100 = -91.23%
Formula
Percentage change = [(87 - 992) / 992] x 100
Subtract the new number by the original number
87 - 992 = -905
-905 ÷ 992 = -0.9122983870967742
-0.9122983870967742 x 100 = -91.23%