-99.18% is the change from 487 to 4
Calculation steps:
[( 4 - 487 ) ÷ 487] x 100 = -99.18%
Formula
Percentage change = [(4 - 487) / 487] x 100
Subtract the new number by the original number
4 - 487 = -483
-483 ÷ 487 = -0.9917864476386037
-0.9917864476386037 x 100 = -99.18%