-56.72% is the change from 989 to 428
Calculation steps:
[( 428 - 989 ) ÷ 989] x 100 = -56.72%
Formula
Percentage change = [(428 - 989) / 989] x 100
Subtract the new number by the original number
428 - 989 = -561
-561 ÷ 989 = -0.5672396359959555
-0.5672396359959555 x 100 = -56.72%