-84.23% is the change from 463 to 73
Calculation steps:
[( 73 - 463 ) ÷ 463] x 100 = -84.23%
Formula
Percentage change = [(73 - 463) / 463] x 100
Subtract the new number by the original number
73 - 463 = -390
-390 ÷ 463 = -0.8423326133909287
-0.8423326133909287 x 100 = -84.23%