-86.18% is the change from 463 to 64
Calculation steps:
[( 64 - 463 ) ÷ 463] x 100 = -86.18%
Formula
Percentage change = [(64 - 463) / 463] x 100
Subtract the new number by the original number
64 - 463 = -399
-399 ÷ 463 = -0.8617710583153347
-0.8617710583153347 x 100 = -86.18%