-89.3% is the change from 991 to 106
Calculation steps:
[( 106 - 991 ) ÷ 991] x 100 = -89.3%
Formula
Percentage change = [(106 - 991) / 991] x 100
Subtract the new number by the original number
106 - 991 = -885
-885 ÷ 991 = -0.893037336024218
-0.893037336024218 x 100 = -89.3%