-77.64% is the change from 322 to 72
Calculation steps:
[( 72 - 322 ) ÷ 322] x 100 = -77.64%
Formula
Percentage change = [(72 - 322) / 322] x 100
Subtract the new number by the original number
72 - 322 = -250
-250 ÷ 322 = -0.7763975155279503
-0.7763975155279503 x 100 = -77.64%