-87.06% is the change from 487 to 63
Calculation steps:
[( 63 - 487 ) ÷ 487] x 100 = -87.06%
Formula
Percentage change = [(63 - 487) / 487] x 100
Subtract the new number by the original number
63 - 487 = -424
-424 ÷ 487 = -0.8706365503080082
-0.8706365503080082 x 100 = -87.06%