-81.64% is the change from 463 to 85
Calculation steps:
[( 85 - 463 ) ÷ 463] x 100 = -81.64%
Formula
Percentage change = [(85 - 463) / 463] x 100
Subtract the new number by the original number
85 - 463 = -378
-378 ÷ 463 = -0.816414686825054
-0.816414686825054 x 100 = -81.64%