-90.6% is the change from 989 to 93
Calculation steps:
[( 93 - 989 ) ÷ 989] x 100 = -90.6%
Formula
Percentage change = [(93 - 989) / 989] x 100
Subtract the new number by the original number
93 - 989 = -896
-896 ÷ 989 = -0.9059656218402427
-0.9059656218402427 x 100 = -90.6%