-21.15% is the change from 487 to 384
Calculation steps:
[( 384 - 487 ) ÷ 487] x 100 = -21.15%
Formula
Percentage change = [(384 - 487) / 487] x 100
Subtract the new number by the original number
384 - 487 = -103
-103 ÷ 487 = -0.21149897330595482
-0.21149897330595482 x 100 = -21.15%