-97.13% is the change from 487 to 14
Calculation steps:
[( 14 - 487 ) ÷ 487] x 100 = -97.13%
Formula
Percentage change = [(14 - 487) / 487] x 100
Subtract the new number by the original number
14 - 487 = -473
-473 ÷ 487 = -0.971252566735113
-0.971252566735113 x 100 = -97.13%