-40.53% is the change from 972 to 578
Calculation steps:
[( 578 - 972 ) ÷ 972] x 100 = -40.53%
Formula
Percentage change = [(578 - 972) / 972] x 100
Subtract the new number by the original number
578 - 972 = -394
-394 ÷ 972 = -0.4053497942386831
-0.4053497942386831 x 100 = -40.53%