-99.38% is the change from 487 to 3
Calculation steps:
[( 3 - 487 ) ÷ 487] x 100 = -99.38%
Formula
Percentage change = [(3 - 487) / 487] x 100
Subtract the new number by the original number
3 - 487 = -484
-484 ÷ 487 = -0.9938398357289527
-0.9938398357289527 x 100 = -99.38%