-84.03% is the change from 457 to 73
Calculation steps:
[( 73 - 457 ) ÷ 457] x 100 = -84.03%
Formula
Percentage change = [(73 - 457) / 457] x 100
Subtract the new number by the original number
73 - 457 = -384
-384 ÷ 457 = -0.8402625820568927
-0.8402625820568927 x 100 = -84.03%