-90.93% is the change from 981 to 89
Calculation steps:
[( 89 - 981 ) ÷ 981] x 100 = -90.93%
Formula
Percentage change = [(89 - 981) / 981] x 100
Subtract the new number by the original number
89 - 981 = -892
-892 ÷ 981 = -0.90927624872579
-0.90927624872579 x 100 = -90.93%