-80.79% is the change from 989 to 190
Calculation steps:
[( 190 - 989 ) ÷ 989] x 100 = -80.79%
Formula
Percentage change = [(190 - 989) / 989] x 100
Subtract the new number by the original number
190 - 989 = -799
-799 ÷ 989 = -0.80788675429727
-0.80788675429727 x 100 = -80.79%