-83.23% is the change from 322 to 54
Calculation steps:
[( 54 - 322 ) ÷ 322] x 100 = -83.23%
Formula
Percentage change = [(54 - 322) / 322] x 100
Subtract the new number by the original number
54 - 322 = -268
-268 ÷ 322 = -0.8322981366459627
-0.8322981366459627 x 100 = -83.23%