-82.02% is the change from 406 to 73
Calculation steps:
[( 73 - 406 ) ÷ 406] x 100 = -82.02%
Formula
Percentage change = [(73 - 406) / 406] x 100
Subtract the new number by the original number
73 - 406 = -333
-333 ÷ 406 = -0.8201970443349754
-0.8201970443349754 x 100 = -82.02%