-56.12% is the change from 989 to 434
Calculation steps:
[( 434 - 989 ) ÷ 989] x 100 = -56.12%
Formula
Percentage change = [(434 - 989) / 989] x 100
Subtract the new number by the original number
434 - 989 = -555
-555 ÷ 989 = -0.5611729019211324
-0.5611729019211324 x 100 = -56.12%