-87.47% is the change from 487 to 61
Calculation steps:
[( 61 - 487 ) ÷ 487] x 100 = -87.47%
Formula
Percentage change = [(61 - 487) / 487] x 100
Subtract the new number by the original number
61 - 487 = -426
-426 ÷ 487 = -0.8747433264887063
-0.8747433264887063 x 100 = -87.47%