-28.09% is the change from 445 to 320
Calculation steps:
[( 320 - 445 ) ÷ 445] x 100 = -28.09%
Formula
Percentage change = [(320 - 445) / 445] x 100
Subtract the new number by the original number
320 - 445 = -125
-125 ÷ 445 = -0.2808988764044944
-0.2808988764044944 x 100 = -28.09%