-44.64% is the change from 578 to 320
Calculation steps:
[( 320 - 578 ) ÷ 578] x 100 = -44.64%
Formula
Percentage change = [(320 - 578) / 578] x 100
Subtract the new number by the original number
320 - 578 = -258
-258 ÷ 578 = -0.4463667820069204
-0.4463667820069204 x 100 = -44.64%