-21.36% is the change from 487 to 383
Calculation steps:
[( 383 - 487 ) ÷ 487] x 100 = -21.36%
Formula
Percentage change = [(383 - 487) / 487] x 100
Subtract the new number by the original number
383 - 487 = -104
-104 ÷ 487 = -0.2135523613963039
-0.2135523613963039 x 100 = -21.36%