-90.19% is the change from 989 to 97
Calculation steps:
[( 97 - 989 ) ÷ 989] x 100 = -90.19%
Formula
Percentage change = [(97 - 989) / 989] x 100
Subtract the new number by the original number
97 - 989 = -892
-892 ÷ 989 = -0.9019211324570273
-0.9019211324570273 x 100 = -90.19%