-56.03% is the change from 987 to 434
Calculation steps:
[( 434 - 987 ) ÷ 987] x 100 = -56.03%
Formula
Percentage change = [(434 - 987) / 987] x 100
Subtract the new number by the original number
434 - 987 = -553
-553 ÷ 987 = -0.5602836879432624
-0.5602836879432624 x 100 = -56.03%