-77.33% is the change from 322 to 73
Calculation steps:
[( 73 - 322 ) ÷ 322] x 100 = -77.33%
Formula
Percentage change = [(73 - 322) / 322] x 100
Subtract the new number by the original number
73 - 322 = -249
-249 ÷ 322 = -0.7732919254658385
-0.7732919254658385 x 100 = -77.33%