-86.39% is the change from 463 to 63
Calculation steps:
[( 63 - 463 ) ÷ 463] x 100 = -86.39%
Formula
Percentage change = [(63 - 463) / 463] x 100
Subtract the new number by the original number
63 - 463 = -400
-400 ÷ 463 = -0.8639308855291576
-0.8639308855291576 x 100 = -86.39%