-82.3% is the change from 322 to 57
Calculation steps:
[( 57 - 322 ) ÷ 322] x 100 = -82.3%
Formula
Percentage change = [(57 - 322) / 322] x 100
Subtract the new number by the original number
57 - 322 = -265
-265 ÷ 322 = -0.8229813664596274
-0.8229813664596274 x 100 = -82.3%