-89.12% is the change from 487 to 53
Calculation steps:
[( 53 - 487 ) ÷ 487] x 100 = -89.12%
Formula
Percentage change = [(53 - 487) / 487] x 100
Subtract the new number by the original number
53 - 487 = -434
-434 ÷ 487 = -0.891170431211499
-0.891170431211499 x 100 = -89.12%