-84.57% is the change from 473 to 73
Calculation steps:
[( 73 - 473 ) ÷ 473] x 100 = -84.57%
Formula
Percentage change = [(73 - 473) / 473] x 100
Subtract the new number by the original number
73 - 473 = -400
-400 ÷ 473 = -0.8456659619450317
-0.8456659619450317 x 100 = -84.57%