-84.43% is the change from 989 to 154
Calculation steps:
[( 154 - 989 ) ÷ 989] x 100 = -84.43%
Formula
Percentage change = [(154 - 989) / 989] x 100
Subtract the new number by the original number
154 - 989 = -835
-835 ÷ 989 = -0.8442871587462083
-0.8442871587462083 x 100 = -84.43%