-57.23% is the change from 989 to 423
Calculation steps:
[( 423 - 989 ) ÷ 989] x 100 = -57.23%
Formula
Percentage change = [(423 - 989) / 989] x 100
Subtract the new number by the original number
423 - 989 = -566
-566 ÷ 989 = -0.5722952477249748
-0.5722952477249748 x 100 = -57.23%