-57.14% is the change from 987 to 423
Calculation steps:
[( 423 - 987 ) ÷ 987] x 100 = -57.14%
Formula
Percentage change = [(423 - 987) / 987] x 100
Subtract the new number by the original number
423 - 987 = -564
-564 ÷ 987 = -0.5714285714285714
-0.5714285714285714 x 100 = -57.14%