-80.89% is the change from 989 to 189
Calculation steps:
[( 189 - 989 ) ÷ 989] x 100 = -80.89%
Formula
Percentage change = [(189 - 989) / 989] x 100
Subtract the new number by the original number
189 - 989 = -800
-800 ÷ 989 = -0.8088978766430738
-0.8088978766430738 x 100 = -80.89%