-91.1% is the change from 989 to 88
Calculation steps:
[( 88 - 989 ) ÷ 989] x 100 = -91.1%
Formula
Percentage change = [(88 - 989) / 989] x 100
Subtract the new number by the original number
88 - 989 = -901
-901 ÷ 989 = -0.9110212335692619
-0.9110212335692619 x 100 = -91.1%