-99.19% is the change from 989 to 8
Calculation steps:
[( 8 - 989 ) ÷ 989] x 100 = -99.19%
Formula
Percentage change = [(8 - 989) / 989] x 100
Subtract the new number by the original number
8 - 989 = -981
-981 ÷ 989 = -0.9919110212335692
-0.9919110212335692 x 100 = -99.19%