-81.93% is the change from 487 to 88
Calculation steps:
[( 88 - 487 ) ÷ 487] x 100 = -81.93%
Formula
Percentage change = [(88 - 487) / 487] x 100
Subtract the new number by the original number
88 - 487 = -399
-399 ÷ 487 = -0.8193018480492813
-0.8193018480492813 x 100 = -81.93%