-87.27% is the change from 479 to 61
Calculation steps:
[( 61 - 479 ) ÷ 479] x 100 = -87.27%
Formula
Percentage change = [(61 - 479) / 479] x 100
Subtract the new number by the original number
61 - 479 = -418
-418 ÷ 479 = -0.872651356993737
-0.872651356993737 x 100 = -87.27%