-83.1% is the change from 432 to 73
Calculation steps:
[( 73 - 432 ) ÷ 432] x 100 = -83.1%
Formula
Percentage change = [(73 - 432) / 432] x 100
Subtract the new number by the original number
73 - 432 = -359
-359 ÷ 432 = -0.8310185185185185
-0.8310185185185185 x 100 = -83.1%