-20.74% is the change from 487 to 386
Calculation steps:
[( 386 - 487 ) ÷ 487] x 100 = -20.74%
Formula
Percentage change = [(386 - 487) / 487] x 100
Subtract the new number by the original number
386 - 487 = -101
-101 ÷ 487 = -0.20739219712525667
-0.20739219712525667 x 100 = -20.74%