-79.32% is the change from 353 to 73
Calculation steps:
[( 73 - 353 ) ÷ 353] x 100 = -79.32%
Formula
Percentage change = [(73 - 353) / 353] x 100
Subtract the new number by the original number
73 - 353 = -280
-280 ÷ 353 = -0.7932011331444759
-0.7932011331444759 x 100 = -79.32%